header {
   height: 80px;
   margin: 10px 5px 10px 5px;
   padding: 20px;
   border: 2px green solid; 
   background-color: mintcream;
 /*  background-image: url(immagini/sfondotitolo.jpg);*/
 /*  backgroud-repeat:repeat; pattern di sfondo ripetuto*/
   text-align: center;
   color: red;
   font-size: 24px;
   font-family: Algerian;
}
aside {
     width: 18%; sfondo-acquerello
 
}
#left {
   float: left;
   font-family: Verdana;
   font-size: 1.2em;
   font-weight: bold;
 
}

#left ul{
   list-style-type: none; /*nessun punto elenco*/
}
#left a:hover {
   color: green; /*cambia colore al passaggio del mouse*/
   font-size: larger; /*cambia dimensione al passaggio del mouse*/
}
#right {
   float: right;
}
#right ul{
   list-style-type: none; /*nessun punto elenco*/
}
section {
   width: 58%;
   margin: auto;
   text-align: justify;
   font-size: 1.2em;
/*   background-color: #33FF00;*/

   color: black;
}
footer { 
   clear: both; /* interrompe il floating*/
   height: 20px;
   margin: 10px 5px;
   background-color: mintcream;
   text-align: center;
   letter-spacing: 0.5em; /*spazio tra i caratteri*/
   font-weight: bold;
   font-size: 10px;
}
.continua {
   text-align: right;
   font-family: Arial;
   font-weight: bold;
   font-style: italic;
}
body {
   /*background-color: cyan;*/
   /*  background-image: url(immagini/sfondo-acquerello.jpg); */
   /*  backgroud-repeat:repeat; */
}
h3 {
   text-align: center;
   color: navy;
   font-family: Verdana;
}
hr {
   height: 5px;
   width: 300px;
   background-color: silver;
}
a:hover {
   color: red; /*cambia colore al passaggio del mouse*/
}
span {
   text-decoration: underline;
   font-weight: bold;
}