#main-nav{width:145px; height:62px; background:#acacac url(images/idioma.gif) no-repeat; float:left}
#main-nav ul{border: 0; margin: 0; padding: 0; list-style-type: none; text-align: center; clear: left;}
#main-nav ul li{display: block; float: left; text-align: center; padding: 0; margin: 0;}
#main-nav ul li a span{display:none;}
#main-nav ul li a{width:72px; height:62px; margin:0px; padding:0px; display: block;}
#main-nav ul li a.port:hover{background: url(images/idioma.gif) 0px -62px;}
#main-nav ul li a.engl:hover{background: url(images/idioma.gif) -72px -62px;}
a:active{outline:none}
a, map, area{outline: none}
*:focus, *:active {-moz-outline:0px none; outline:0px none;}

a.ms{font:font:8pt Tahoma, Arial, Verdana; color:#999999; font-weight:bold}
a.ms:link{text-decoration:none; color:#999999}
a.ms:active{text-decoration:none; color:#999999}
a.ms:visited{text-decoration:none; color:#999999}
a.ms:hover{text-decoration:none; color:#000000; border-bottom:1px dotted #000000}