style.css

body {
	background: #444;
	color: #ddd;
	font-family: 'Droid Sans', 'Roboto', 'Open Sans', sans-serif;
	font-weight: 500;
}
.functional-unit {
	margin: 1em;
	border: 1px solid #222;
	border-radius: 1em;
	padding: 1em;
	overflow: hidden;
	display: inline-table;
	border-spacing: 0 1em; 
}
.control {
	display: table-row;
	margin: 1em 0;
}
.control>* {
	display: table-cell;
	vertical-align: top;
	text-align: left;
}
.control>label:first-child {
	flex: 0 0 250px;
	font-weight: bold;
	border-top: 1px solid #666;
	border-bottom: 1px solid #666;
	border-left: 1px solid #666;
	padding: 0.25em;
	padding-right: 1em;
}
input, select {
	background: #666;
	color: white;
	border: 1px solid #222;
	border-top-right-radius: 0.5em;
	border-bottom-right-radius: 0.5em;
	padding: 0.5em;
}
input[disabled] {
	font-style: italic;
}
.screen {
	position: relative;
}
.screen>.corner-ne {
	position: absolute;
	right: 0;
	top: 0;
}
.screen>.corner-se {
	position: absolute;
	right: 0;
	bottom: 0;
}
.screen>.corner-nw {
	position: absolute;
	left: 0;
	top: 0;
}
.screen>.corner-sw {
	position: absolute;
	left: 0;
	bottom: 0;
}
canvas {
	border: 1px solid #222;
}