html {margin:0 auto;}

body{
	background-attachment:fixed;
	background-color:#333;
	background-image:url(images/background.jpg);
	background-position:top center;
	background-repeat:no-repeat;
	margin:0 auto;
	padding:0;
	background-size:cover;
	-moz-background-size:cover;
	-webkit-background-size:cover;}
	
#visitekaartje {
	margin:40px auto;
	width:100%;
	text-align:center;
}

@media only all and (max-width: 640px) and (max-height: 426px) {
	
	body{background-size:640px 426px;
	-moz-background-size:640px 426px;
	-webkit-background-size:640px 426px;}
	}
	
@media only screen and (orientation: portrait) and (device-width: 320px), (device-width: 768px) {
	body{-webkit-background-size:auto 100%;}
	}

@media only screen and (orientation: landscape) and (device-width: 320px), (device-width: 768px) {
	body{-webkit-background-size:100% auto;}
	}
	
img#expando{display:none;position:absolute;z-index:1;-ms-interpolation-mode:bicubic;}
.wide img#expando,.tall img#expando{display:block;}
.wide img#expando{height:auto;width:100%;}
.tall img#expando{height:100%;width:auto;}