#menu_principal
{list-style-type:none;
 margin:0;
 padding:0;
}

#menu_principal LI {float:left; margin-left:10px; margin-right:10px; padding-left:0px; padding-right:10px; height:30px; padding-top:5px; line-height:15px; text-align:center; } 
.menu_item2{ border-right:dotted 1px #fff;}
#menu_principal A {  text-decoration:none; color:#fff; font-family:Trebuchet MS; font-size:16px; font-weight:bold; display:block;}
/*#menu_principal A.actual { color:#1B457F;}*/
#menu_principal A:hover { color:#1B457F; display:block;}