ul#navigation {
padding: 0;
margin: 0; 
background-color: #039;

color: #fff;
float: left;
width: 100%; 
}
ul#navigation li { display: inline; }
ul#navigation li a {
padding: .25em 1em;
background-color: #039;
color: #fff;
text-decoration: none;
float: left; 
border-bottom: solid 1px #fff;
border-top: solid 1px #fff;
border-right: solid 1px #fff;
}
a:link, a:visited { color: #fff; }
ul#navigation li a:hover {
color: #000;
background-color: #fff;
}