From 2013.igem.org
ul.main-nav li {
position: relative;
}
ul.main-nav li a{
display: block;
overflow: auto; /*force hasLayout in IE7 */
color: white;
text-decoration: none;
margin: .75%;
font: 1.9em 'Myriad Pro';
width: 150px;
}
ul.main-nav li a:visited{
color: white;
}
ul.main-nav li a:hover{
background-color: #333333;
}
"
