#colnav {background-color:#ccc;}
#colnav > ul > li > ul {display:none; list-style:none;}
#colnav > ul > li {list-style:none; width:173px; margin:0 0 .25em -40px; padding: .5em 0 .5em .25em; position:relative; background-color:#ccc;}
#colnav > ul > li:hover {background-color:#999;}
#colnav > ul > li:hover > ul {display:block; position:absolute; width:300px; margin: -30px 0 0 173px; background-color:#ccc; padding:1em; border:1px solid #666;}