body {
	margin: 0;
	padding: 0;
	
}

video {
    position: fixed;
    
    transform: translatex(-50) translatey(-50);
    
    z-index: -1;
    
}

main {
	
	width: 40%;
	background: rgba(0,0,0,0.5);
	color: #fff;
	padding: 20px;
	margin: 5%;
	
}