#spalte_2{left:10em ! important;}
#div_center{text-align:left  ! important;}
#spalte_1{
position: absolute  ! important;
 padding-bottom: 0px;
 margin: 0px; 
padding-left: 0px; 
padding-right: 0px;
top: 10.1em  ! important;
left: 0px  ! important;
}
.BB{height:100%;background-position:bottom;}