div.header a:link { text-decoration: none; color: #C0C0C0; }
div.header a:visited { text-decoration: none; color: #C0C0C0; }
div.header a:hover { background: #CCCCFF; color: black }

div.enlaces a:link { text-decoration: none; color: #000080; }
div.enlaces a:visited { text-decoration: none; color: #000080; }
div.enlaces a:hover { background: #CCCCFF; color: black }