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pa11y_report
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Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/02_slider-crank.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/02_slider-crank.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/01_pin.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/01_pin.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/README.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/README.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/05_lagrange.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/05_lagrange.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/06_augment.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/06_augment.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/04_symbolic.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/04_symbolic.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(3)
└── <span class="nn">sympy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(5)
└── <span class="nn">numpy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(7)
└── <span class="nn">np</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #define-mathbf-q-and-dot-mathbf-q > p:nth-child(2) > code:nth-child(1) > span
└── <span class="pre">sympy.Matrix</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #define-mathbf-q-and-dot-mathbf-q > p:nth-child(2) > code:nth-child(2) > span
└── <span class="pre">var</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #lambdify-the-constraints-jacobian-and-mathbf-q-d > p:nth-child(2) > code > span
└── <span class="pre">sympy.lambdify</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #lambdify-the-constraints-jacobian-and-mathbf-q-d > p:nth-child(4) > code > span
└── <span class="pre">inputs</span>
12 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/03_embedding.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_04/03_embedding.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/02_virtual-work.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/02_virtual-work.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/03_catenary.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/03_catenary.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/example_01.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/example_01.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(3)
└── <span class="nn">numpy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(5)
└── <span class="nn">np</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(7)
└── <span class="nn">scipy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(11)
└── <span class="nn">matplotlib.pyplot</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(13)
└── <span class="nn">plt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(3)
└── <span class="nn">matplotlib</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(7)
└── <span class="nn">IPython.display</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell8 > span:nth-child(71)
└── <span class="c1">#marker, = ax.plot([], [], 'o',...</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #example-sliding-pendulum > ol:nth-child(40) > li > p > code > span
└── <span class="pre">init</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #example-sliding-pendulum > ol:nth-child(42) > li > p > code > span
└── <span class="pre">animate</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #example-sliding-pendulum > ol:nth-child(44) > li > p > code:nth-child(1) > span
└── <span class="pre">anim</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #example-sliding-pendulum > ol:nth-child(44) > li > p > code:nth-child(2) > span
└── <span class="pre">animation.FuncAnimation</span>
17 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/README.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/README.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/example_02.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/example_02.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.Button.Name
├── #button-toggle-0
└── <button id="button-toggle-0" class="toggle-button toggle-button-hidden" data-target="toggle-0" data-button="button-toggle-0"> <div class="bar hori...</button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(27)
└── <span class="c1"># time </span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(38)
└── <span class="c1"># initial conditions theta(t=0)...</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.64:1. Recommendation: change text colour to #4777a7.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(71)
└── <span class="si">{eqbm}</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.64:1. Recommendation: change text colour to #4777a7.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell7 > span:nth-child(75)
└── <span class="si">{:.1f}</span>
10 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/02b_virtual-work.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/02b_virtual-work.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/01_variational.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/module_02/01_variational.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/assignments.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/assignments.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_06.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_06.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.Button.Name
├── #button-toggle-0
└── <button id="button-toggle-0" class="toggle-button toggle-button-hidden" data-target="toggle-0" data-button="button-toggle-0"> <div class="bar hori...</button>
• Error: This button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.Button.Name
├── #button-toggle-1
└── <button id="button-toggle-1" class="toggle-button toggle-button-hidden" data-target="toggle-1" data-button="button-toggle-1"> <div class="bar hori...</button>
• Error: Iframe element requires a non-empty title attribute that identifies the frame.
├── WCAG2AA.Principle2.Guideline2_4.2_4_1.H64.1
├── #main-content > div > div:nth-child(1) > div:nth-child(3) > div:nth-child(3) > div > iframe
└── <iframe width="400" height="300" src="https://www.youtube.com/embed/FPg5EjHEo6c" frameborder="0" allowfullscreen=""></iframe>
8 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/quizzes.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/quizzes.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_07.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_07.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(3)
└── <span class="nn">numpy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(5)
└── <span class="nn">np</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(7)
└── <span class="nn">matplotlib.pyplot</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(9)
└── <span class="nn">plt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell5 > span:nth-child(3)
└── <span class="nn">sympy</span>
10 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_04.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_04.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(3)
└── <span class="nn">numpy</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(5)
└── <span class="nn">np</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(7)
└── <span class="nn">matplotlib.pyplot</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.03:1. Recommendation: change text colour to #057bac.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell0 > span:nth-child(9)
└── <span class="nn">plt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.64:1. Recommendation: change text colour to #4777a7.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell4 > span:nth-child(79)
└── <span class="si">{:.1f}</span>
10 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_05.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/quiz_work/making-quiz_05.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="../search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.Button.Name
├── #button-toggle-0
└── <button id="button-toggle-0" class="toggle-button toggle-button-hidden" data-target="toggle-0" data-button="button-toggle-0"> <div class="bar hori...</button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(2) > span
└── <span class="pre">np.sqrt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(3) > span
└── <span class="pre">np.sqrt(-1)</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(4) > span
└── <span class="pre">numpy.lib.scimath.sqrt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(5) > span:nth-child(1)
└── <span class="pre">from</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(5) > span:nth-child(2)
└── <span class="pre">numpy.lib.scimath</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(5) > span:nth-child(3)
└── <span class="pre">import</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #linear-solution > blockquote > div > p > code:nth-child(5) > span:nth-child(4)
└── <span class="pre">sqrt</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.64:1. Recommendation: change text colour to #4777a7.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell3 > span:nth-child(63)
└── <span class="si">{:.1f}</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell4 > span:nth-child(5)
└── <span class="c1">#0.9999</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.64:1. Recommendation: change text colour to #4777a7.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell4 > span:nth-child(75)
└── <span class="si">{:.1f}</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #approximate-nonlinear-solution > ol > li:nth-child(2) > p > code > span
└── <span class="pre">solve_ivp</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #integrate-the-exact-differential-equation-with-an-approximation > p > code:nth-child(3) > span:nth-child(1)
└── <span class="pre">[0,</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #integrate-the-exact-differential-equation-with-an-approximation > p > code:nth-child(3) > span:nth-child(2)
└── <span class="pre">10]</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #integrate-the-exact-differential-equation-with-an-approximation > p > code:nth-child(4) > span:nth-child(1)
└── <span class="pre">t_eval</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #integrate-the-exact-differential-equation-with-an-approximation > p > code:nth-child(4) > span:nth-child(2)
└── <span class="pre">=</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #integrate-the-exact-differential-equation-with-an-approximation > p > code:nth-child(4) > span:nth-child(3)
└── <span class="pre">t</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell6 > span:nth-child(24)
└── <span class="c1"># timespan [ 0s to 10s]</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell6 > span:nth-child(34)
└── <span class="c1"># initial conditions [18 deg, 0...</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell6 > span:nth-child(81)
└── <span class="c1"># timespan [ 0s to 10s]</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #3c7c8c.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #codecell6 > span:nth-child(91)
└── <span class="c1"># initial conditions [90 deg, 0...</span>
26 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/content.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/content.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
4 Errors
Welcome to Pa11y
> Running Pa11y on URL file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/valentine.html
Results for URL: file:///home/ryan/Documents/UConn/ME5180/advanced-dynamics/_build/html/valentine.html
• Error: The html element should have a lang or xml:lang attribute which describes the language of the document.
├── WCAG2AA.Principle3.Guideline3_1.3_1_1.H57.2
├── html
└── <html><head> <meta charset="utf-8...</html>
• Error: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.
├── WCAG2AA.Principle3.Guideline3_2.3_2_2.H32.2
├── #site-navigation > form
└── <form class="bd-search d-flex align-items-center" action="search.html" method="get"> <i class="icon fas fa-search...</form>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Connect with source repository"><i class="fab fa-github"></i></button>
• Error: Anchor element found with no link content and no name and/or ID attribute.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.A.EmptyNoId
├── html > body > div:nth-child(3) > div > main > div:nth-child(1) > div > div:nth-child(2) > a
└── <a class="full-screen-button"><button type="button" class="bt...</a>
• Error: Duplicate id attribute value "dropdown-buttons-trigger" found on the web page.
├── WCAG2AA.Principle4.Guideline4_1.4_1_1.F77
├── #dropdown-buttons-trigger
└── <button id="dropdown-buttons-trigger" class="btn btn-secondary topbarbtn" aria-label="Launch interactive content"><i class="fas fa-rocket"></i></button>
• Error: This button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.
├── WCAG2AA.Principle4.Guideline4_1.4_1_2.H91.Button.Name
├── #button-toggle-0
└── <button id="button-toggle-0" class="toggle-button toggle-button-hidden" data-target="toggle-0" data-button="button-toggle-0"> <div class="bar hori...</button>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #background > p:nth-child(5) > code > span
└── <span class="pre">fsolve</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #defining-your-system > p:nth-child(5) > code > span
└── <span class="pre">Fbar</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #solve-for-one-configuration > p:nth-child(2) > code:nth-child(1) > span
└── <span class="pre">Fbar</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #solve-for-one-configuration > p:nth-child(2) > code:nth-child(3) > span
└── <span class="pre">Fbar</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #solve-for-one-configuration > p:nth-child(2) > code:nth-child(4) > span
└── <span class="pre">x0</span>
• Error: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.82:1. Recommendation: change text colour to #3e3e3e.
├── WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail
├── #solve-for-one-configuration > p:nth-child(2) > code:nth-child(5) > span
└── <span class="pre">lambda</span>