h2,
h3 { clear:both; }
h1 { color:#003399; }
.exList { list-style-type:none; margin:0; padding:0; line-height:1.5; }
.exWeblist { margin:1em auto; }
.exWeblist dt { float:left; width:240px; height:180px; margin:20px 5px; padding:0; text-align:center; vertical-align:top; }