body      {background: silver; background-image:url(sfondo.jpg)}
h1        {color: blue; text-align: center;}
#pagina   {width: 700px; margin: auto; background: white; padding: 40px;}
p         {text-align: justify;}
#autore   {margin-bottom: 50px;}
.blocco-sin  {width: 350px; float: left; margin-right: 15px;}
.blocco-des  {margin-left: 380px; text-align: center; padding-top: 45px;}
.etichetta   {margin-left: 80px;}
#colonna-sin {display: none;}
#corpo       {display: none;}
#scitala     {float: right;}
.rosso       {color: #C00;}