body,html{
margin:0;
width: 100%;
height:100%;
font-family: arial, sans-serif;
background: url(labbkg2.jpg);
background-repeat: no-repeat;
background-attachment: fixed;
background-position: bottom right;
}

a img{border:none;}
p{background-color:#fff;display:inline;}
h2{background-color:#fff;display:inline;border: 4px solid #000; border-left:none;}
.intro{
font-size: 20px;
color: #ffff00;

}
.intro p{background-color: #000;display: inline;}

#contenuti a:link{
background-color: #ffff00;
color: #000;
text-decoration: none;
font-weight: bolder;
border-bottom: 2px solid #000;
border-top: 1px dashed #000;
}
#contenuti a:visited{
background-color: #ffff00;
color: #000;
text-decoration: none;
font-weight: bolder;
border-bottom: 2px solid #000;
border-top: 1px dashed #000;
}
#contenuti a:hover{
background-color: #ffff00;
color: #000;
text-decoration: none;
font-weight: bolder;
letter-spacing: 5px;
}
#contenuti a:active{
background-color: #ffff00;
color: #000;
text-decoration: none;
font-weight: bolder;
letter-spacing: 5px;
}