#nav { z-index:100; }
#nav * { display: block; list-style-type: none; }
#nav ul li { float: left; margin-right: 1.5em; }
/* second level portfolio stuff */
#nav ul#categories { display: none; }
.portfolio #nav ul#categories { display: block; position: absolute; left: 0; top: 20px; width: 120px; border-right: 1px solid #a96; padding: 10px 0 30px 0; }
.portfolio #nav ul#categories * { float: none; margin: 0; padding: 0; }
.portfolio #nav ul#categories ul { margin-bottom: 1em; }
.portfolio #nav ul#categories li { display: block; }
.portfolio #nav ul#categories li li { height: 1.1em; padding: 4px 5px 0; }