#tetracase {
   position:relative;
   overflow:hidden;
   height:600px;
   width:440px;
   font-family: Arial, Verdana, "Times New Roman", Times, serif;
   font-size:75%;
   background:#f4f4f4;
   border:1px solid #999999;
}

#tetracase a {
   font-weight:bold;
   font-family: Arial, Verdana, "Times New Roman", Times, serif;
}

.tetradiv {
   position:absolute;
   overflow:hidden;
   top:630px;
   left:10;
   height:120px;
   width:440px;
   background:#f4f4f4;
}

.tetradiv div {
   border:1px solid #c99;
   background:#EEEEEE;
   padding:5px;
   overflow:hidden;
}