p#intestazione{ font-family:arial;
font-size:10px;
color:blue
text-align:center; }

div#box1{
height:400px;
widht:300px;
border:10px red;
padding:5px;
background: green;}

img#cupola{
height:300px;
width:200px;
}

img#brunelleschi{
width:50px;
height:50px;}


div#boxdx{
height:200px;
border-top:1px black;
border-bottom:1px black;
border-right:1px black;
padding:5px;
background: yellow;
float:right;}

div#box3{
height:200px;
border:2px green;
padding:5px;
background:orange;}

div#box4{
height:250px;
border:2px blue;
background:red;}

p#testo{
text-align:right;
color:blue;
font-size:7px;
font-family:verdana;
}

ul{
list-style-type:circle;}