a:link { text-decoration: none; } 
a:visited { text-decoration: none; }
a:hover { text-decoration: underline; } 

.navbar a:link { text-decoration: none; color: #FFFFFF; }
.navbar a:visited { text-decoration: none; }
.navbar a:hover { text-decoration: none; color: #000080; background-color: #87CEFA; display: block; }