#id_uploadcontainer{

height:100%;
width:100%;
background-color:white;
overflow:auto;

}
#id_uploadcontainer span {
font-weight:bold
}

#id_formdiv {
   float:left;
   width:45%;
   background-color:#F3F0F3; 
   padding:10px; border:3px solid #gray; 
   overflow:hidden;
}

#id_dateiliste 
{

 float:left;
 overflow:auto;
 margin-left:30px;
 width:40%;
}