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----
-title: Support Internet Explorer 8
-weight: 50
----
-
-# Support Internet Explorer 8
-
-Follow these extra steps if your service needs to support Internet Explorer 8 (IE8):
-
-1. Include an HTML5 shiv.
-2. Generate an IE8-specific stylesheet.
-3. Transform the IE8 stylesheet using oldie.
-4. Include the IE8 stylesheet in your project.
-
-Once you have completed these steps, you will be able to [write CSS that targets
-IE8 in your own application styles](#writing-styles-that-target-ie8).
-
-If you [installed using precompiled files](/install-using-precompiled-files/), you can include the IE8-specific stylesheet in your project, allowing you to skip steps 2 and 3.
-
-## 1. Include an HTML5 shiv
-
-You will need to to include an [HTML5 shiv](https://github.com/aFarkas/html5shiv)
-which allows the 'semantic' HTML elements introduced in HTML5 to be used in
-older browsers which do not natively support them.
-
-These elements include `article`, `aside`, `figcaption`, `figure`, `footer`,
-`header`, `main`, `mark`, `nav`, `section`, and `time`.
-
-To improve performance for users of modern browsers, you can wrap the shiv
-include with conditional comments that target only the browsers that need it:
-
-```html
-<!--[if lt IE 9]>
-  <script src="/path/tohtml5shiv.js"></script>
-<![endif]-->
-```
-
-Note that some libraries such as Modernizr may already include html5shiv.
-
-## 2. Generate an IE8-specific stylesheet
-
-Setting the `$govuk-is-ie8` variable to `true` when generating the stylesheet
-will create a version that targets IE8. For example, it will:
-
-- flatten media queries to create a 'desktop only' version
-- include any conditional styles that target IE8
-- exclude any conditional styles that target browsers other than IE8
-
-You must set the variable before importing GOV.UK Frontend.
-
-In most scenarios you should be able to create a separate stylesheet for IE8,
-set the `$govuk-is-ie8` variable to true and then import your main application
-stylesheet without having to redefine anything else.
-
-```scss
-// application.scss
-
-@import "govuk-frontend/frontend/all";
-
-.example {
-  // example application style
-}
-
-// application-ie8.scss
-
-$govuk-is-ie8: true;
-
-@import "application";
-```
-
-## 3. Transform the generated stylesheet using 'oldie'
-
-You should use the [oldie plugin](https://github.com/jonathantneal/oldie) for
-[postcss](https://github.com/postcss/postcss) to further transform the
-stylesheet:
-
-- replacing opacity properties with compatible filter properties
-- swapping `::` selectors with compatible `:` selectors for pseudo-elements
-- swapping rgba colours with compatible hex colours and filter properties
-
-The oldie plugin is also able to flatten media queries, but this will already
-have been done as part of the stylesheet compilation in step 1.
-
-Doing this as a separate step allows us to keep the source of GOV.UK Frontend
-simple, without having to wrap syntax that would need to be transformed in
-mixins or functions.
-
-## 4. Include the IE8 stylesheet in your project
-
-Now that you have an IE8 compatible stylesheet you should include it using
-[conditional comments](https://www.quirksmode.org/css/condcom.html):
-
-```html
-<!--[if !IE 8]><!-->
-  <link rel="stylesheet" href="assets/application.css">
-<!--<![endif]-->
-<!--[if IE 8]>
-  <link rel="stylesheet" href="assets/application-ie8.css">
-<![endif]-->
-```
-
-## Writing styles that target IE8
-
-Wrapping rules with the `govuk-if-ie8` mixin will ensure that they are only
-outputted when generating the IE8-specific stylesheet.
-
-```scss
-.foo {
-  min-width: 100px;
-
-  // Specify width for IE8 only
-  @include govuk-if-ie8 {
-    width: 100px;
-  }
-}
-```
-
-The `govuk-not-ie8` mixin can be used to wrap rules that you want to exclude
-when generating the IE8-specific stylesheet.
-
-```scss
-.foo {
-  font-weight: bold;
-
-  // Enhance foo only for modern browsers (not IE8)
-  @include govuk-not-ie8 {
-    font-family: "Comic Sans MS", "Curlz MT" cursive, sans-serif;
-    color: #FF69B4;
-  }
-}
-```