html { background: #fff; height: 100%; margin: 0; padding: 0;  }
body { text-align: center; font-family: verdana; margin: 0; padding: 0; height: 100px; }
a { color: #444; }
#container { width: 715px; margin: 0 auto; text-align: left; }

#top, #menu, #footer, .colonna { display: none; }
.contenuto { width: 596px; }