Add code files

.editorconfig

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+# EditorConfig helps developers define and maintain consistent coding styles between different editors and IDEs
+# editorconfig.org
+
+
+# Use top-most EditorConfig file
+root = true
+
+
+[*]
+# Unix-style newlines at the bottom of every file
+end_of_line = lf
+
+charset = utf-8
+
+# Remove any whitespace characters preceding newline characters
+trim_trailing_whitespace = true
+
+insert_final_newline = false
+
+# Tab indentation
+indent_style = space
+indent_size = 4
+
+# Give operators breathing room, but not brackets
+spaces_around_operators = true
+spaces_around_brackets = false
+
+
+[.js]
+quote_type = single
+curly_bracket_next_line = false
+
+
+[.html]
+quote_type = double
+
+
+[*.{diff, md}]
+trim_trailing_whitespace = false

.gitignore

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+TODOs.txt

.gitmodules

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+[submodule "Font-Awesome"]
+	path = Font-Awesome
+	url = https://github.com/FortAwesome/Font-Awesome.git

CSSstyles/social-media-panel.css

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+/* SOCIAL MEDIA PANEL */
+
+.social-panel-container {
+    position: fixed;
+    right: 0;
+    bottom: 80px;
+    transform: translateX(100%);
+    transition: transform 0.4s ease-in-out;
+}
+
+.social-panel-container.visible {
+    transform: translateX(-10px);
+}
+
+.social-panel {
+    background-color: #fff;
+    border-radius: 16px;
+    box-shadow: 0 16px 31px -17px rgba(0, 31, 97, 0.6);
+    border: 5px solid #001F61;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    font-family: 'Muli';
+    position: relative;
+    height: 169px;
+    width: 44px;
+    max-width: calc(100% - 10px);
+}
+
+.social-panel #heart {
+    color: red;
+}
+
+.social-panel button.close-btn {
+    border: 0;
+    color: #97A5CE;
+    cursor: pointer;
+    font-size: 20px;
+    position: absolute;
+    top: 5px;
+    right: 5px;
+}
+
+.social-panel button.close-btn:focus {
+    outline: none;
+}
+
+.social-panel p {
+    background-color: #001F61;
+    border-radius: 0 0 10px 10px;
+    color: #fff;
+    font-size: 14px;
+    line-height: 18px;
+    padding: 2px 17px 6px;
+    position: absolute;
+    top: 0;
+    left: 50%;
+    margin: 0;
+    transform: translateX(-50%);
+    text-align: center;
+    width: 235px;
+}
+
+.social-panel p i {
+    margin: 0 5px;
+}
+
+.social-panel p a {
+    color: white;
+    text-decoration: none;
+}
+
+.social-panel h4 {
+    margin: 20px 0;
+    color: #97A5CE;
+    font-family: 'Muli';
+    font-size: 14px;
+    line-height: 18px;
+    text-transform: uppercase;
+}
+
+.social-panel ul {
+    display: flex;
+    list-style-type: none;
+    padding: 0;
+    margin: 0;
+}
+
+.social-panel ul li {
+    margin: 0 10px;
+}
+
+.social-panel ul li a {
+    border: 1px solid #DCE1F2;
+    border-radius: 50%;
+    color: #001F61;
+    font-size: 20px;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 50px;
+    width: 50px;
+    text-decoration: none;
+}
+
+.social-panel ul li a:hover {
+    border-color: #FF6A00;
+    box-shadow: 0 9px 12px -9px #FF6A00;
+}
+
+.floating-btn {
+    border-radius: 26.5px;
+    background-color: #001F61;
+    border: 1px solid #001F61;
+    box-shadow: 0 16px 22px -17px #03153B;
+    color: #fff;
+    cursor: pointer;
+    font-size: 16px;
+    line-height: 20px;
+    padding: 12px 20px;
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    z-index: 999;
+}
+
+.floating-btn:hover {
+    background-color: #ffffff;
+    color: #001F61;
+}
+
+.floating-btn:focus {
+    outline: none;
+}
+
+.floating-text {
+    background-color: #001F61;
+    border-radius: 10px 10px 0 0;
+    color: #fff;
+    font-family: 'Muli';
+    padding: 7px 15px;
+    position: fixed;
+    bottom: 0;
+    left: 50%;
+    transform: translateX(-50%);
+    text-align: center;
+    z-index: 998;
+}
+
+.floating-text a {
+    color: #FF7500;
+    text-decoration: none;
+}
+
+@media screen and (max-width: 480px) {
+    .social-panel-container.visible {
+        transform: translateX(0px);
+    }
+    .floating-btn {
+        right: 10px;
+    }
+}

CSSstyles/styles.css

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+/* MAIN PAGE OF SUDOKU PUZZLE GAME */
+
+.hidden {
+    display: none;
+}
+
+header {
+    text-align: center;
+    padding-bottom: 10px;
+    border-bottom: 3px solid brown;
+}
+
+h1 {
+    font-size: 34pt;
+}
+
+#setup-game {
+    display: flex;
+    justify-content: center;
+}
+
+#setup-game>* {
+    font-size: 18px;
+    margin-bottom: 10px;
+    padding-left: 50px;
+    padding-right: 50px;
+    display: flex;
+    align-items: center;
+}
+
+button {
+    justify-self: center;
+}
+
+p#timer,
+p#lives {
+    font-size: 25px;
+    font-weight: bold;
+    text-align: center;
+}
+
+#game {
+    display: flex;
+    justify-content: center;
+}
+
+#number-container>p {
+    border: 1px solid black;
+    border-radius: 20%;
+    width: 60px;
+    height: 60px;
+    font-size: 40pt;
+    margin-left: 50px;
+    margin-top: 5px;
+    margin-bottom: 5px;
+    text-align: center;
+}
+
+#board {
+    padding-top: 10px;
+    margin-top: 10px;
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: flex-start;
+    align-content: flex-start;
+    width: 600px;
+    height: 600px;
+}
+
+.tile {
+    border: 1px solid black;
+    width: 60px;
+    height: 60px;
+    text-align: center;
+    margin: 0px;
+    vertical-align: middle;
+    font-size: 40pt;
+}
+
+p.selected {
+    background-color: lightblue;
+}
+
+p.incorrect {
+    color: red;
+}
+
+.rightBorder {
+    border-right: 4px solid black;
+}
+
+.bottomBorder {
+    border-bottom: 4px solid black;
+}
+
+.green-text {
+    color: ForestGreen;
+}
+
+footer {
+    background-color: #235fdf;
+    color: white;
+    text-align: center;
+}

CSSstyles/theme-toggle-button.css

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+/* THEME TOGGLE BUTTON */
+
+body.dark {
+    background-color: #616161;
+    color: white;
+}
+
+body.light {
+    background-color: white;
+    color: black;
+}
+
+input[type="checkbox"] {
+    display: none;
+    justify-content: center;
+}
+
+.btn {
+    align-self: flex-end;
+    margin: 5px 10px;
+}
+
+.box {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    width: 90px;
+    height: 45px;
+    background-color: black;
+    transition: all 1s ease;
+    position: relative;
+    border-radius: 22.5px;
+    cursor: pointer;
+}
+
+.box .ball {
+    width: 45px;
+    height: 45px;
+    background-color: grey;
+    transition: all 1s ease;
+    position: absolute;
+    border-radius: 50%;
+    border: 3px solid black;
+}
+
+.box .scenary {
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    transition: all 1s ease;
+    padding: 5px 10px 0px 10px;
+}
+
+.box .scenary svg {
+    width: 30px;
+}