body {font:10pt arial;margin:0 auto;padding:0; background-color:#000;} 

#banners img { margin:0 0 4px 0;cursor:pointer; }

#fondo {background:url('imagenes/fondo.jpg'); width:780px; height:650px}
.encabezadoypie {z-index:1; float:right;}
.login {width:100px;line-height:12px;border:1px solid #b3b3b3;font:11px Tahoma, Arial,sans-serif;color:#3e6488; border-color:#3e6488}
.botonlogin {line-height:14px;border:1px solid #b3b3b3;font:11px Tahoma, Arial,sans-serif;color:#000000; border-color:#3e6488; background-color:#FFFFFF;}