body, div, ul, li { padding:0;margin:0;}

#explanation { 
   position:absolute;
   left: 200px;
   top:180px;
   border: 1px solid #ccc;
}

#explanation ul {
   padding:0 0 0 20px;
}

#gennav { 
   position:absolute;
   border: 1px solid #ccc;
   top:180px;
   left:10px;
   width:150px;
   height:150px;
   padding:0; 
   margin:0;
   font: 10pt Arial;
   overflow:hidden;
   background-color:#f8f8f8;
}

#gennav li,#gennav ul { 
   list-style:none;
}

#gennav .back {
   background-image:url('arrow.gif');
   font-weight:bold;
}

#gennav .hasmore {
   background-image:url('hasmore.gif');
}

#gennav .back:hover, #gennav .hasmore:hover {
   background-color:#ccc;
}

#gennav li {
   height:20px;
   border:1px solid #eee;
   cursor: pointer;
   padding:0 0 0 20px;
}


#gennav ul {
   position:absolute;
   top:0px;
   left:150px;
   width:150px;
   display:none; 
}

#gennav #top {
   left:0px;
   padding:0;
   display:block; 
}