body {
background-color: white;
text-align: center;
 }
h1 { 
font-family:arial;
font-size: 200%;
color: black;

 }
 
#tab_sommario{
display: none;
} 
h2 { 
font-family:Comic Sans MS;
font-size: 150%;
color: black;

 }
 
 #sommario {
 text-align: left;
font-size: 150%;
 
 width: 85%;
 }
 #autore { 
	
	font-size: 80%;
	font-family:arial;
	font-weight: 700;
	width: 40%;
	 }
	 #vuoto{
	 font-size: 100%;
	font-family:arial;
	width: 40%;
	 }