a:link { color: blue; text-decoration: none }
a:active { color: red; text-decoration: none }
a:visited { color: blue; text-decoration: none }
a:hover { color: green; text-decoration: underline }

a.nav:link { color: blue; text-decoration: none }
a.nav:active { color: black; text-decoration: none }
a.nav:visited { color: blue; text-decoration: none }
a.nav:hover { color: red; text-decoration: underline }

a.navb:link { color: white; text-decoration: none }
a.navb:active { color: white; text-decoration: none }
a.navb:visited { color: white; text-decoration: none }
a.navb:hover { color: white; text-decoration: underline }