body {
margin: 0px;
background-color: #7B8082;
}

#nextside {
position: absolute;
left: 0px;top:0px;
z-index:2; 
}

.a {
width:100%;height:100%;
}

.balken {
position: absolute;
left: 0px;top: 246px;
width: 1500px;height: 52px;
background-color: #A2A6A9;
}