/*this belongs in http://www.techwiseideamachine.com/tetra */
#tetracase {
   position:relative;
   overflow:hidden;
   height:150px;
   width:120px;
}

#tetracase a {
   font-weight:bold;
   font-size:85%;
}

.tetradiv {
   position:absolute;
   overflow:hidden;
   top:0;
   left:120px;
   width:150px;
   height:150px;
}