default.css

html, body {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
}

#canvas {
	display: block;
	box-sizing: border-box;
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	border: none;
	background: #eee;
}

button {
	position: absolute;
	width: 2em;
	height: 2em;
	background: #fff;
	border: 1px solid #999;
}

#zoomin {
	top: 1em;
	left: 2em;
}

#zoomout {
	top: 1em;
	left: 4.5em;
}

#moveleft {
	top: 6em;
	left: 1em;
}

#moveright {
	top: 6em;
	left: 5.5em;
}

#moveup {
	top: 3.75em;
	left: 3.25em;
}

#movedown {
	top: 6em;
	left: 3.25em;
}

#togglemode {
	top: 1em;
	right: 1em;
}

svg, svg * {
	pointer-events: none;
}

path {
	pointer-events: visibleStroke;
}

circle {
	pointer-events: visible;
}

path:hover {
	opacity: 0.3;
	stroke-width: 3;
}

circle:hover {
	fill: #0055ff;
}

#canvas > svg {
	position: absolute;
}