.tab{
float:left; 
border:1px solid white; 
width:90px; 
height:40px; 
padding:0 10 0 10;
color:white;
background-color:#000000;
margin-left:1px;
padding-left:5px;
padding-top:5px;
}

.form{
width:230px;
padding:0 5 0 5;
float:left;
}

.absenden{
margin-top:10px;
}

.erg{
border:5px solid #2E5F97;
width:765px;
padding:5px;
}