html, body {
height: 100%;
margin: 0;
padding: 0;
text-align:center
}
#abstand {
	height:50%;
	width: 500px;
	margin-bottom:-325px;
	float:left;
}
#inhalt{
	height: 540px;
	clear:left
}
#abstand-index {

height:50%;
width: 500px;
margin-bottom:-325px;
float:left;
}
#inhalt-index {

	height: 656px;
	clear:left
}
#abstand-planner {

height:50%;
width: 500px;
margin-bottom:-355px;
float:left;
}
#inhalt-planner {

	height: 540px;
	clear:left
}