body {font-family:Arial, Helvetica, sans-serif;}
li {list-style:none;}
#aside {width:200px;}
h2 {display:block;}
h2:hover {cursor:pointer;}
h2 span {display:block; float:right; width:16px; height:16px; background:url(plusMinus.gif) 0 -16px;}
.closed span {background-position:0 0;}