style.css

body{
	font-family: Roboto, Helvetica;
	font-weight: 300;
	color: #e8e8e8;
}
.noselect {
  -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}
.allowselect {
  -webkit-touch-callout: text !important;
    -webkit-user-select: text !important;
     -khtml-user-select: text !important;
       -moz-user-select: text !important;
        -ms-user-select: text !important;
            user-select: text !important;
}
#play{
	display: none;
}
#menu{
	display: none;
}

.robotbig{
	width: 200px;
	position: absolute;
	top: calc(30% - 100px);
	left: calc(50% - 300px);
}
#speechbubble{
	width: calc(40% - 100px);
	min-width: 350px;
	height: 160px;
	position: absolute;
	top: calc(30% - 100px);
	left: calc(50% - 50px);
	display: block;
	background: #260024;
	border: 8px solid #D70047;
	font-family: "Roboto Mono", menlo, monaco;
	color: #D70047;
	font-size: 40px;
	padding: 20px;
}
#speechbubble::before{
	content: ' ';
	width: 0;
	height: 0;
	border: 30px solid rgba(0,0,0,0);
	border-right: 30px solid #D70047;
	position: absolute;
	top: 35%;
	left: -65px;
}
.menubutton{
	background: #528BFF;
	padding: 10px 20px;
	font-size: 30px;
	border-radius: 5px;
	cursor: pointer;
	transition: background 0.3s, color 0.3s;
	position: absolute;
	top: calc(30% + 230px);
	text-align: center;
}
.menubutton:hover{
	background: #526AFF;
}
.start-menubutton{
	right: calc(10% + 100px);
	width: 120px;
}
@media screen and (max-width: 1200px){
	.start-menubutton{
		right: calc(50% - 350px);
		width: 120px;
	}
}

.level-menubutton{
	left: calc(50% - 200px);
	width: 140px;
}
.prevlevel-menubutton{
	left: calc(50% - 280px);
	width: 30px;
}
.repeatlevel-menubutton,
.skiplevel-menubutton,
.nextlevel-menubutton{
	top: 55px;
	right: 15px;
	width: 200px;
	display: none;
}
.skiplevel-menubutton{
	top: 160px;
	width: 300px;
	background: #fb1549;
}
.skiplevel-menubutton:hover{
	background: #db0049;
}
.repeatlevel-menubutton{
	width: 300px;
}

#instructionsDiv{
	border-top: 3px solid #ccc;
	background-color: white;
	color: black !important;
	padding: 30px;
	font-size: 16px;
	overflow: scroll;
	line-height: 20px;
	letter-spacing: 0.4px;
	height: calc(100% - 98px);
}
#instructionsDiv a{
	color: rgb(82,139,255);
	text-decoration: none;
}
#instructionsDiv h1,
#instructionsDiv h2,
#instructionsDiv h3 {
	font-weight: 400;
}
#instructionsDiv h1 {
	font-size: 40px;
	color: #d80147;
	margin-left: -10px;
}
#instructionsDiv h2 {
	font-size: 32px;
	color: #7700ff;
	margin-left: -8px;
}
#instructionsDiv h1::before,
#instructionsDiv h2::before {
	content: ' ';
	display: inline-block;
	position: relative;
	width: 10px;
	height: 10px;
	left: -10px;
	top: -8px;
	border-radius: 100%;
	background-color: #d80147;
}
#instructionsDiv h2::before {
	width: 7px;
	height: 7px;
	left: -10px;
	top: -8px;
	border-radius: 100%;
	background-color: #7700ff;
}
#instructionsDiv a:hover{
	text-decoration: underline;
}
#instructionsDiv code{
	background-color: rgb(40,44,52);
	padding: 4px 7px;
	border-radius: 5px;
	font-family: "Roboto Mono", menlo, monaco;
	border-radius: 5px;
	font-size: 12px;
	font-weight: 400;
	color: #abb2bf;
	display: inline-block;
   margin-bottom: 2px;
}
#instructionsDiv code.console-out{
	color: #528bff;
}

#instructionsDiv table {
	color: #333;
	border-collapse: collapse;
	margin: 25px 0;
}

#instructionsDiv table tr td {
	padding: 5px 30px 5px 5px;
}

#instructionsDiv table tr {
	padding: 0;
	border-bottom: 1px solid #cccccc;
   border-top: 1px solid #cccccc;
	transition: background-color 0.2s;
}

#instructionsDiv table tr:hover {
	background-color: #eee;
}

#instructionsDiv table tr td:last-of-type {
	padding-right: 5px;
}

#instructionsDiv a.learn-more {
    display: inline-block;
    padding: 10px;
    color: white;
    background-color: #00cc88;
    font-weight: 100;
    border-radius: 6px;
    font-size: 20px;
	 text-decoration: none !important;
	 transition: 0.3s;
 }

#instructionsDiv a.learn-more:hover {
	 margin-top: -1.5px;
    margin-bottom: 1.5px;
	 background-color: #00c281;
    box-shadow: 0px 5px 30px rgba(0,0,0,0.3);
}

#menu .twitter {
	font-size: 26px;
	right: calc(50% - 85px);
	top: calc(30% + 130px);
   position: absolute;
	color: #528bff;
	text-decoration: none;
}

#instructionsDiv a.show-solution {
	 cursor: pointer;
    display: inline-block;
    padding: 10px;
    color: white;
    background-color: #cc004e;
    font-weight: 100;
    border-radius: 6px;
    font-size: 20px;
	 text-decoration: none !important;
	 transition: 0.3s;
 }

#instructionsDiv a.show-solution:not(.disabled):hover {
	 margin-top: -1.5px;
    margin-bottom: 1.5px;
	 background-color: #bb0047;
    box-shadow: 0px 5px 30px rgba(0,0,0,0.3);
}
#instructionsDiv a.show-solution.disabled {
	opacity: 0.4;
}

#instructionsDiv a.learn-more::after {
	content: "\02192";
	padding-left: 5px;
}

#solution {
	 overflow: hidden;
    height: 0;
    transition: height 0.4s;
}

#solution.shown{
    height: auto !important;
}

#codearea{
	background: rgb(20,24,32);
	position: absolute;
	left: 0px;
	right: 0px;
	bottom: 0px;
	max-height: 100%;
}
#buttonbar{
	background: rgb(40,44,52);
	list-style: none;
	margin: 0px;
	padding: 0px;
}
#buttonbar li{
	display: inline-block;
	font-size: 0px;
}
#buttonbar li a{
	transition: background 0.3s, color 0.3s;
	display: inline-block;
	width: 100px;
	text-align: center;
	height: 35px;
	line-height: 35px;
	font-family: Helvetica;
	cursor: pointer;
	color: #e8e8e8;
	font-size: 14px;
}
#buttonbar li a:hover{
	background: rgb(60,64,72);
}
#buttonbar.minimized li a.selected{
	background: #646e82;
}
#buttonbar li a.selected{
	transition: background 0.1s, color 0.3s;
	background: rgb(82,139,255);
}
#buttonbar li#minmax{
	float: right;
}
#buttonbar li#minmax a{
	width: 40px;
	font-weight: bold;
}


#code, #command{
	outline: none;
	background: rgb(40,44,52);
	color: #999;
	padding: 10px;
	font-family: "Roboto Mono", menlo, monaco;
	border: 2px solid #434a57;
	border-radius: 5px;
	transition: border 0.3s, color 0.3s, background 0.2s;
	tab-size: 4;
	font-size: 11px;
}
#code{
	overflow-y: scroll;
	width: calc(100% - 20px);
	margin: 10px;
	resize: none;
	padding-left: 25px;
	position: relative;
	height: calc(100% - 54px);
}
#codeDiv{
	display: block;
}
#commandDiv{
		display: none;
		height: calc(100% - 35px);
		position: relative;
}
#command{
	margin: 10px;
	width: calc(100% - 20px);
	padding-left: 25px;
	position: absolute;
  bottom: 0;
}
#command.execute, #code.execute{
	transition: background 0.1s;
	color: white;
	border: 2px solid rgb(82,139,255);
  background: rgb(82,139,255);
}
#commandDiv::after{
	content: '>';
	color: #e8e8e8;
	font-family: "Roboto Mono", menlo, monaco;
	position: absolute;
	bottom: 20px;
	width: 10px;
	left: 20px;
	display: inline-block;
	color: white;
	-webkit-transform:scale(0.75, 1.0);
	-moz-transform:scale(0.75, 1.0);
	-ms-transform:scale(0.75, 1.0);
	-o-transform:scale(0.75, 1.0);
	transform:scale(0.75,1.0);
}
#output{
	position: absolute;
	display: block;
	top: 0;
	left: 0;
	right: 0;
	bottom: 50px;
	overflow: scroll;
	padding: 6px 20px;
	font-family: "Roboto Mono", menlo, monaco;
	font-size: 11px;
	color: #ddd;
}
#output b{
	color: #528bff;
	font-weight: normal !important;
}
#output i{
	font-style: normal;
	color: #ff2c72;
}
#output hr{
		border-width: 1px 0 0 0;
    border-top: 1px solid #292c34 !important;
    margin: 4px -20px;
}

.CodeMirror{
	font-family: "Roboto Mono", menlo, monaco;
	font-weight: normal;
	font-size: 12px;
  height: calc(100% - 59px);
  margin: 10px;
	border: 2px solid #434a57 !important;
  border-radius: 5px;
  transition: border 0.3s, color 0.3s, background 0.2s, opacity 0.5s;
	opacity: 0.7;
}

.CodeMirror-focused{
	border: 2px solid rgb(82,139,255) !important;
	opacity: 1;
}

.read-only-code {
	width: auto !important;
   display: -webkit-box;
}

.read-only-code .CodeMirror{
	border: 2px solid rgba(0,0,0,0) !important;
	height: fit-content !important;
  margin: 10px 0;
	opacity: 1 !important;
}

.CodeMirror.cm-s-dracula.execute{
	transition: background 0.1s;
	border: 2px solid rgb(82,139,255) !important;
  background: rgb(82,139,255) !important;
}

.CodeMirror.cm-s-dracula .CodeMirror-gutters {
	transition: background 0.2s;
}
.CodeMirror.cm-s-dracula.execute .CodeMirror-gutters {
	transition: background 0.1s;
  background: rgb(82,139,255) !important;
}

#commandBtn{
	position: relative;
}

#code:focus, #command:focus{
	border: 2px solid rgb(82,139,255);
	color: #e8e8e8;
}

::-moz-selection{
	background: #bbb !important;
}
::-webkit-selection{
	background: #bbb !important;
}
::selection{
	background: #bbb !important;
}

#propertiesDiv{
	display: none;
	padding: 30px;
	font-family: "Roboto Mono", menlo, monaco;
	font-weight: normal !important;
	font-size: 11px;
	overflow: scroll;
	height: calc(100% - 95px);
}
#propertiesDiv table{
	margin-left: 20px;
	font-weight: normal;
	font-size: 11px;
}
#propertiesDiv table td{
    padding: 0px;
    padding-left: 10px;
}
#propertiesDiv b{
	font-weight: normal !important;
	color: rgb(82,139,255);
}

#topbar{
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	list-style: none;
	height: 35px;
	padding: 0;
	margin: 0;
	background-color: rgb(40, 44, 52);
	font-size: 14px;
}

#topbar img{
	user-drag: none;
	user-select: none;
	-moz-user-select: none;
	-webkit-user-drag: none;
	-webkit-user-select: none;
	-ms-user-select: none;
}

#topbar li{
	display: inline-block;
}
#topbar-status{
	margin-left: 10px;
	margin-right: 10px;
}

#topbar li a{
	display: inline-block;
	height: 35px;
	text-align: center;
	line-height: 35px;
	width: 100px;
	cursor: pointer;
color: #e8e8e8;
transition: background 0.3s, color 0.3s;
}



#topbar li a:hover{
	background: rgb(60,64,72);
}
#topbar li a:active{
	background: rgb(82,139,255);
transition: background 0.1s, color 0.3s;
}

#hud{
	float: right;
	height: 35px;
	text-align: right;
	line-height: 35px;
	padding-left: 15px;
	background: rgb(20,24,32);
	padding-right: 5px;
	font-family: "Roboto Mono", monospace;
	letter-spacing: -1px;
	font-size: 12px;
}
#hud img{
	margin-left: 0;
	margin-right: 8px;
	margin-bottom: 2px;
}

#topbar li img{
	height: 14px;
	vertical-align: middle;
}
#topbar li img.topbar-button-img{
	margin-right: 10px;
	height: 20px;
}

#topbar-status{
	display: inline-block;
	height: 35px;
	text-align: center;
	line-height: 35px;
}

#topbar-arrowkeys {
	width: 60px !important;
}
#topbar-arrowkeys img{
	margin: 0 !important;
}
#topbar-arrowkeys.on{
	background: rgb(82,139,255) !important;
}

#topbar-practicemode{
	background: #FB144A;
	border-radius: 8px;
	padding: 3px 8px;
	margin-left: 10px;
}

#submitCode.running{
	background-color: #23bb4e !important;
	cursor: default !important;
}

#commandBtn.error::after{
    display: block;
    content: '\00d7';
    line-height: 16px;
    font-size: 16px;
    background: #fb1549;
    width: 17px;
    border-radius: 100%;
    height: 17px;
    position: absolute;
    top: -10px;
    left: 7px;
	}

#files{
	display: block;
	float: left;
	margin: 0px 10px;
	min-width: 250px;
	border-radius: 5px;
	border: 2px solid #373d48;
	height: calc(100% - 59px);
	font-size: 12px;
	font-family: "Roboto Mono", menlo, monaco;
	position: relative;
}

#files ul{
	padding: 0;
	margin: 0;
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	overflow-y: scroll;
	bottom: 30px;
	list-style: none;
	border-radius: 3px 3px 0 0;
	border-bottom: 2px solid #373d48;
}

#files ul li a{
	padding: 5px 20px;
	padding-right: 0;
	display: block;
	opacity: 0.6;
	cursor: pointer;
	padding-left: 35px;
	background-image: url('images/files-file.png');
	background-size: 12px;
	background-repeat: no-repeat;
	background-position: 15px;
	transition: background 0.2s;
}

#files ul li a:hover{
	background-color: #21262c;
}

#files ul li a.selected{
	opacity: 1;
	background-color: #2c323a !important;
}

#files ul li a input{
	font-size: 12px;
	font-family: "Roboto Mono", menlo, monaco;
	background: none;
	color: white;
	border: none;
	outline: none;
	cursor: pointer;
	pointer-events: none;
	font-weight: 300;
	width: 100%;
	height: 26px;
	line-height: 26px;
	margin: -5px 0 -5px 0;
	border-bottom: 2px transparent solid;
	transition: border 0.1s;
}

#files ul li a input:focus{
	cursor: text;
	border-bottom: 2px rgb(82,139,255) solid;
}

#files ul li a.selected input{
	pointer-events: auto;
}

#files a.add-file, 
#files a.delete-file{
	cursor: pointer;
	position: absolute;
	bottom: 0;
	width: 50%;
	height: 20px;
	background-color: #21262c;
	padding: 0;
	height: 30px;
	line-height: 30px;
	color: #fff;
	background-image: url('');
	background-position: 12px;
	background-size: 14px;
	background-repeat: no-repeat;
	opacity: 0.6;
	text-align: center;
	transition: opacity 0.3s, background-color 0.3s;
}

#files a.add-file img,
#files a.delete-file img{
	width: 14px;
	margin-right: 6px;
   margin-bottom: -2px;
}

#files a.delete-file{
	right: 0;
	left: auto;
}


#files a.add-file:hover, 
#files a.delete-file:hover{
	opacity: 1;
	background-color: #2c323a !important;
}

#files a.close{
	 z-index: 10000;
    position: absolute;
    width: 10px;
    right: -12px;
    top: calc(50% - 20px);
    height: 40px;
    display: block;
    cursor: pointer;
 }

#files a.close:before{
	 background: #2c323a;
    display: block;
    content: ' ';
    width: 40px;
    height: 40px;
    border-radius: 100%;
    position: absolute;
	 z-index: -1;
	 border: 2px solid #373d48;
    left: -17px;
    top: -2px;
	 opacity: 0;
	 pointer-events: none;
	 transition: opacity 0.2s;
}

#files a.close.closed:before{
    left: -22px;
}

#files a.close:hover:before{
	 opacity: 1;
	 pointer-events: auto;
}

#files a.close img{
    margin-top: auto;
    margin-bottom: auto;
    height: 10px;
    width: 5px;
    margin: 15px 2.5px;
 }

#files a.close.closed img{
	-moz-transform: scaleX(-1);
   -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    filter: FlipH;
    -ms-filter: "FlipH";
}

 #files.closed{
    width: 0 !important;
    min-width: 0;
    border: 0;
    margin: 0;
    margin-right: 15px !important;
 }
 #files.closed a.add-file,
 #files.closed a.delete-file{
	 display: none;
 }