#top_nav ul, #top_nav ul li {
list-style: none;
margin: 0;
padding: 0;
background-color: #000000;
color: #ffffff;
font-family: arial, helvetica, sans-serif;
font-size: 14px;
padding-top: 4px;
padding-bottom: 4px;

-moz-border-radius-topleft: 11px;
-moz-border-radius-topright: 11px;
-webkit-border-top-left-radius: 11px;
-webkit-border-top-right-radius: 11px;
border-top-left-radius: 11px;
border-top-right-radius: 11px;
behavior: url(border-radius.htc);

}

#top_nav ul {
text-align: center;
}

#top_nav ul li {
display: inline;
margin-left: .40em;
margin-right: .40em;
}

#top_nav ul li.last {
margin-right: 0;
}

#top_nav li a {
padding: 0px .2em;
color: #ffffff;
text-decoration:none;
}

#top_nav ul li a:hover {
background-color: #ff0000;
color: #fff;
padding-top: 4px;
padding-bottom: 2px;
}