body {
margin: 2em;
padding: 0;
background: #fff;
color: #000;
}

#mappa {
margin: 0;
padding: 0;
width: 400px;
height: 300px;
position: relative;
background: transparent url("diodati.jpg") no-repeat 0 0;
list-style: none;
}

#mappa #link1,
#mappa #link2,
#mappa #link3 {
margin: 0;
display: block;
width: 20px;
height: 20px;
}

#mappa #link1 {
position: absolute;
top: 18px;
left: 200px;
}

#mappa #link2 {
position: absolute;
top: 81px;
left: 355px;
}

#mappa #link3 {
position: absolute;
top: 276px;
left: 183px;
}

.hidden {
position: absolute;
top: -1000em;
}

a:focus {
	outline-style: none;
}