body         {background-image:url(sfondo.jpg);}
#pagina      {width: 1150px; margin: auto;}
#testata     {width: 1150px; height: 150px; background: white; text-align: center; border: 1px solid black; }
#centrale    {margin-bottom: 0; background: pink;}
#colonna-sin {width: 300px;  background: pink; float: left; border: 1px 1px 0px 1px solid black; }
#corpo       {margin-left: 300px; width: 810px; height: 100%; border: 1px solid black; background: white;
              padding: 20px; text-align: justify}
#b0, #b1, #b2, #b3, #b4, #b5, #p1, #p2, #p3 {display: none;}

ul           { padding: 10px; width: 250px; margin: auto; margin-top: 20px;}


li           {list-style: none; 
              margin: 10px;
              background: white;
              text-align: center;
              padding: 5px;
              cursor: pointer;
              border: 1px solid black;
             }
li:hover     {background: gold;}

a            {text-decoration: none;}
a:visited    {color: blue;}

blockquote   {border-left: 10px solid blue; padding-left:10px; width: 80%}
h3           {color: green;}
h2           {color: #C00;}