#error, .warn {
	color: red !important;
}
#error {
	margin-top: 10px;
	font-weight: bold;
	position: absolute;
	text-align: center;
	background-color: lightgray;
	z-index: 50;
	width: 100%;
}
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
#canvas {
	position: absolute;
	top: 0;
	width: 100vw;
	height: 100vh;
	display: block;
	visibility: hidden;
	border: 0px none;
}
#control {
	position: absolute;
	display: inline;
	width: 100%;
}
#overlay {
	display: none;
	background-color: rgba(0,0,0,0.7);
	position: absolute;
	top: 0px;
	left: 0px;
	width: 100vw;
	height: 100vh;
	z-index: 1;
	cursor: default;
}
#paymentForm {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 80%;
	max-width: 700px;
	height: 80%;
	border: 0;
	user-select: none;
}