body {background-image:url(fondo_web.gif);margin:0px;font-family:Arial,Verdana;letter-spacing:1px}

A {color:white;font-size:19px;text-decoration:none;margin:10px}
A:hover {color:red;border-bottom:1px solid white;padding-bottom:1px}

 A img {border:2px solid #363636;}
 A:hover img {border:2px solid red}

b {border-bottom:1px dotted black;padding-bottom:1px}
.arriba {background-image:url(fondo_arriba.jpg);background-repeat:no-repeat;width:990;height:329px;background-color:white;text-align:left;}


.contenido {width:990;background-color:white;}
.contenido2 {background-image:url(fondo_contenido.jpg);width:930px;_width:990px;background-color:white;background-repeat:no-repeat;padding:30px;text-align:justify;line-height:28px;font-size:20px;}

.div_titular {background-image:url(fondo_titular.gif);width:971px;height:40px;text-align:left;line-height:36px}
.span_titular {margin-left:650px;font-size:18px;color:white;}