html { 
	background: url(background.jpg) no-repeat center center fixed; 
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

a {
	color: #333;
}

a:hover {
	text-decoration: underline;
}

#container {
	text-align: center;
	flex-direction: column;
	justify-content: center;
}

#radsport,
#sachverstaendiger {
	display: inline-block;
	position: relative;
	width: 500px;
	min-width: 250px;
	height: 645px;
	border: 3px solid #fff;
	background-position: center;
	background-repeat: no-repeat;
	border-radius: 10px;
	margin: 20px;
}

#radsport {
	background-image: url(radsport.jpg);
}

#sachverstaendiger {
	background-image: url(sachverstaendiger.jpg);
}

.label {
	background-color: #fff;
	position: absolute;
	left: 0px;
	right: 0px;
	bottom: 0px;
	opacity: 0.8;
	padding: 12px;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	text-align: center;
	font-weight: bold;
}