nav.laterale { position: absolute; left:5px; top:40px; width: 250px; height: 1050px; border-radius: 10px; background-color: deepskyblue; 
border: 2px solid black; margin:0; }


ul#sinistra {list-style-type: none; margin: 0; padding: 0; overflow: hidden; font-size: 38px; color: white; text-align: center; 
background-color:deepskyblue;}
ul#sinistra li {background-color: seashell; width:250px; height:35px; font-size: 16px; padding: 2px; text-align: justify;}
ul#sinistra li a {color: black;font-weight:bold;}
ul#sinistra li :hover {background-color: seashell; color: darkgreen;}
ul#sinistra li :focus {background-color: seashell; color: darkgreen;}