html,
body {
    background-color: #000;
}
#gamecanvas {
	cursor: default;
	position: absolute;
	top: 0px;
	bottom: 0px;
	left: 0px;
	right: 0px;
	margin: auto;
	z-index: 100;
}
#uicanvas {
	cursor: default;
	position: absolute;
	top: 0px;
	bottom: 0px;
	left: 0px;
	right: 0px;
	margin: auto;
    z-index: 1000;
}