html, body { width:100%; height:100%; margin:0; padding:0; }
html { background:#100c0b url(../images_comunes/fondo.jpg) top center repeat-x; }

html a:hover { visibility: visible; }

a { text-decoration:none; }

a img { border:none; }

ul { margin:0; padding:0; list-style:none; }


#container { width:870px; height:100%; margin:0 auto; background:url(../images_comunes/fondo2.jpg) top no-repeat; position:relative; }


.top:hover { opacity:.7; }