.pippo
{
margin-left:0pt;
margin-top: 0pt;
background-image: url(images/sfondo.gif);
}

.pluto
{
background-image: url(images/1tab.jpg);
}

.paperino
{
background-image: url(images/4tab.jpg);
}

.sfondo
{
background-image: url(sfondo.GIF);
}