body {
	margin: 0;
	
}

video {
	position: fixed;
	min-width: 100%;
	min-height: 100%;
	
	top: 50%;
	left: 50%;
	
	transform: translateX(-50%) translateY(-50%);
	
	z-index: -1;
	
	-webkit-filter: brightness(90%)
}

main {
	width: auto;
	background: rgba(0,0,0,0.5);
	color: #fff;
	padding: 10px;
	margin: 10%;
}