On another thread:
Add the line in red to your stylesheet for the navMainWrapper

#navMainWrapper, #navSuppWrapper, #navCatTabsWrapper {
margin: 0em;
background-color: #80A470;
/*background-image: url(../images/tile_back.gif);*/
padding: 0.2em 0em;
font-weight: bold;
color: #fff999;
overflow: auto; /* Added for Firefox for screen shift */
height: 2em;
}
jund