* {
    margin: 0;
    padding: 0;
}
 
html, body {
    height: 100%;
}
 
#seite {
    position: relative;
    min-height: 100%;
    width: 100%;
    margin: 0 auto;
    background-color: white;
}
 
#inhalt {
    background-color: white;
    padding-top: 7em;
    padding-bottom: 10em;
    font-family: Helvetica,Arial,sans-serif;
    text-align: center;
    width: 100%;
    
}
 
#kopf {
	position: absolute;
	text-align: center;
	font-family: Helvetica,Arial,sans-serif;
	top: 0;
	width: 100%;
	background-color: white;
	height: 7em;
} 
 
#fussbereich {
    position:absolute;
    bottom: 0;
    width: 100%;
    background-color: lightcyan;
    height: 10em;
}