body{font-family:Helvetica , Verdana , Arial , sans-serif; font-size:13}
h1{font-size:18px ; color:#003366}
a{color:#2F5A87}
a:hover{color:#036}


.atencion{background:#ffc; border:solid #f90 1px; padding:7px; color:#444; font-size:12px; margin:10 0}
#contenido_lateral{width:300px; float:right; }
#contenido_main{width:640px; float:left; }
#contenido{margin-top:50px; }
#footer{clear:both}
#footer th{color:036}
#footer table tr td{padding:2px 10; font-size:12px}
.izquierda{float:left;}
.derecha{float:left}