entry.css

html,
body,
#root {
	width: 100%;
	height: 100%;
	padding: 0;
	margin: 0;
	background: #222;
	touch-action: none;
}

lume-scene {
	position: absolute;
}

lume-element3d {
	pointer-events: none;
}

.overlay {
	pointer-events: none;
	position: absolute;
	width: 100%;
	height: 100%;
}

.health-bar {
	position: absolute;
	width: 20%;
	height: 40px;
	background: rgba(255, 255, 255, 0.2);
	top: 10px;
	left: 10px;
	border-radius: 10px;
}
.health-value {
	position: absolute;
	width: 100%;
	height: 100%;
	background: green;
}

.dead {
	position: absolute;
	width: 100%;
	height: 100%;
	background: red;
}

.dead h1 {
	color: white;
	font-family: sans-serif;
	font-size: 8rem;
	margin: 0;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}
.dead h1 sub {
	font-size: 0.2em;
}

.crosshair,
.crosshair::before,
.crosshair::after {
	pointer-events: none;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.crosshair {
	width: 100%;
	height: 100%;
}

.crosshair::before,
.crosshair::after {
	content: '';
	background: white;
}

.crosshair::before {
	height: 2px;
	width: 20px;
}

.crosshair::after {
	width: 2px;
	height: 20px;
}