#main_nav {
background: #1A1A1A;
text-align: center;
padding: 4px 0;
font-size: 1.1em;
}
#main_nav ul {
margin: 0;
padding: 0;
#main_nav li {
display: inline;
margin: 0 6px;
#main_nav a {
color: #CCC;
text-decoration: none;
#main_nav a img {
vertical-align: middle;
#main_nav a:hover {
color: #EEE;
#main_nav .on a {
color: #FFF;
#improve {
margin-right: 5px;
margin-bottom: 15px;
font-weight: bold;
font-size: 0.8em;
float: right;