At this point a background color and text color can be applied to the UL. There are many color combinations that can be used.
CSS CODE
ul#navlist
{
padding: 0;
margin: 0;
list-style-type: none;
float: left;
width: 100%;
color: #fff;
background-color: #036;
}
ul#navlist li { display: inline; }
ul#navlist li a
{
float: left;
width: 5em;
color: #fff;
background-color: #036;
padding: 0.2em 1em;
text-decoration: none;
border-right: 1px solid #fff;
}
ul#navlist li a:hover
{
background-color: #369;
color: #fff;
}
HTML CODE
<ul id="navlist">
<li><a href="#">Item one</a></li>
<li><a href="#">Item two</a></li>
<li><a href="#">Item three</a></li>
</ul>