body { width: 960px; }

.nav > li {
  position: relative;
  float: left;
}

.sub > li { position: relative; }

.nav a {
  display: block;
  line-height: 20px;
}

.sub { display: none; }

div#navbar {
  width: 960px;
  height: 34px;
  position: absolute;
  z-index: 2;
}

fieldset#urls,
fieldset#monitoring,
fieldset#shortcuts,
fieldset#tools {
  position: relative;
  top: 60px;
}

fieldset table { width: 100%; }

td.unq div ul {
  position: absolute;
  width: 144px;;
  z-index: 4;
  display: none;
}

td.unq div:hover ul { display: block; }

ul.nav li:hover ul.sub { display: block; }

td a.e { visibility: hidden; }

td.unq a.e { visibility: visible; }