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    <label for="type">Window Type:</label>
    <select id="type">
        <option value="osx">osx</option>
        <option value="ubuntu" selected>ubuntu</option>
        <option value="windows">windows</option>
        <option value="custom">custom</option>
    <label for="dark">dark</label>
    <input type="checkbox" id="dark" checked/>
<!-- shell.js terminal window -->
<div class="shell ubuntu dark shadow">
    <div class="status-bar">
        <div class="buttons">
            <a href="javascript:;" class="close" title="Close">
                <i class="fa fa-times"></i>
            <a href="javascript:;" class="minimize" title="Minimize">
                <i class="fa fa-minus"></i>
            <a href="javascript:;" class="enlarge" title="Enlarge">
                <i class="fa fa-plus"></i>
        <div class="title">user@host: ~</div>
    <div class="content"></div>

              form {
    margin: 10px;
body .shell {
    width: 400px;
    height: 200px;
.shell > .status-bar .title {
    cursor: move;
.shell.ubuntu .terminal {
    --background: #300924;
.shell.osx .content.terminal {
    --background: #222;
.shell.light .content.terminal {
    --background: white;
    --color: black;

 * fix to shell.js to center title to free space
.shell.windows .status-bar .title {
    right: 106px;
 * windows and custom are the last ones so
 * they don't get overwritten by light
.shell.windows .content.terminal {
    --background: black;
    --color: white;
    --animation: terminal-underline;
.shell.custom .content.terminal {
    --background: #292929;
    --color: #aaa;
 * overwrite shell.js style because shell.js   
 * selectors are stronger then terminal ones
.cmd span.cursor {
    animation: none;
    width: initial;
    background-color: var(--background, #000);
.shell terminal.content,
.shell.osx.dark .content,
.shell.ubuntu .content {
    background-color: var(--background, #222) !important;
              // for browsers that don't support key property
var shell = $('.shell').resizable({
    minHeight: 108,
    minWidth: 250
    handle: '> .status-bar .title'
var term = $('.content').terminal($.noop, {
    prompt: 'user@host:~ '

$('#type').on('change', function() {
    shell.removeClass('osx windows ubuntu default custom').addClass(this.value);
    var prompt;
    if (this.value == 'windows') {
        prompt = 'C:\\Windows\\>';
    } else {
        prompt = 'user@host:~ ';
$('#dark').on('change', function() {
    shell.removeClass('dark light');
    if (this.checked) {
    } else {
$('#type, #dark').on('change', function() {
    setTimeout(function() {
    }, 400)
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