* {
	box-sizing: border-box;
}
body,
html {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	background-color: #0b0f19;
}
#stage {
	width: 100%;
	height: 100%;
	display: block;
}
#ui {
	position: absolute;
	top: 16px;
	left: 16px;
	color: rgba(255, 255, 255, 0.8);
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	font-size: 13px;
	pointer-events: none;
	user-select: none;
	background: rgba(0, 0, 0, 0.3);
	padding: 8px 12px;
	border-radius: 6px;
}
.title {
	font-weight: 600;
	margin-bottom: 4px;
}