html { 
	background: url("vriska.jpg") no-repeat top left fixed; 
 	background-size: cover;	
 	font-family: "Helvetica Neue", sans-serif;
 	height: 100%;
	display: flex;
	justify-content: flex-end;
	align-items: center;
	display: -webkit-flex;
	-webkit-justify-content: flex-end;
	-webkit-align-items: center;
}
h1 {
	display: none;
}
body {
	background: rgba(255,255,255,0.8);
	border-radius: 0.5em;
}
main {
	padding: 0.3em;
	font-size: 200%;
	font-weight: bold;
	color: #005682;
	text-align: center;
	min-height: calc(1.6em + 270px);
}
video {
	margin:0 auto;
	display:block; 
	width: 480px;
	height: 270px;
}