codice:
body {
  background-color: #CCCCCC;
  margin: 0;
  padding: 0;
  font-family: Verdana, Arial, Helvetica, sans-serif;
  font-size: 12px;
}

table, tr, td {
  table-layout: fixed;
}

div#main {
  width: 750px;
  height: 750px;
  background-color: #000000;
}

#header {
  width: 750px;
  height: 100px;
  background-color: #FF0000;
}

#left {
  width: 120px;
  height: 650px;
  background-color: #00FF00;
  float: left;
}

#right {
  width: 630px;
  height: 650px;
  background-color: #0000FF;
  float: right;
}

#navcontainer
{
background: #369;
border-top: 1px solid #9CC;
font: normal normal 11px Verdana;
}

#navlist
{
list-style: none outside none;
margin: 0;
padding: 0;
}

@media all {
#navlist {
text-align: center
}
}

#navlist li
{
bottom: 11px;
display: inline;
line-height: 1.2em;
margin: 0;
padding: 0;
position: relative;
}

html>body #navlist li
{
background: #000;
margin: 0 3px 0 0;
padding: 4px 0px 4px 0;
}

#navlist a, #navlist a:link, #navlist a:visited
{
background: #900;
border: 1px solid #FFF;
bottom: 2px;
color: #FFF;
cursor: pointer;
display: inline;
height: 1em;
margin: 0;
padding: 3px 5px 3px 5px;
position: relative;
right: 2px;
text-decoration: none;
}

#navlist a:hover
{
background: #C00;
bottom: 1px;
color: #FFF;
position: relative;
right: 1px;
}

#navlist a:active
{
background: #999;
bottom: 0px;
color: #FFF;
position: relative;
right: 0px;
}

#navlist li#active
{
background: #369;
bottom: 13px;
display: inline;
margin: 0 3px 0 0;
padding: 0;
position: relative;
}

html>body #navlist li#active
{
background: #000;
margin: 0 4px 0 4px;
}

#navlist #active a, #navlist #active a:link, #navlist #active
 a:visited, #navlist #active a:hover
{
background: #369;
border-bottom: none;
border-left: 1px solid #9CC;
border-right: 1px solid #9CC;
border-top: 1px solid #9CC;
bottom: 0;
color: #FFF;
cursor: text;
margin: 0;
padding: 2px 5px 0 5px;
position: relative;
right: 0;
}