#tetracase {
   color:#000000;
   position:relative;
   overflow:hidden;
   height:145px;
   width:330px;
}

#tetracase a {
   font-weight:bold;
   font-size:80%;
}

.tetradiv {
   position:absolute;
   overflow:hidden;
   top:300px;
   left:0;
   height:125px;
   width:330px;
}

.tetradiv div {
   border:1px solid #000000;
   padding:5px;
   overflow:hidden;
}