.yui-t1 {
   width: auto;
}
.yui-t1 #yui-main {
   margin-left: -50em;
}

/* Filters, Tree View, etc. */

.topiclist-filter h2
{
   background: url(images/expanded.png) no-repeat 0% 50%;
   margin-top: 1em;
   padding-left: 1em;
}