a:link, a:visited {
  padding: 2px;
  font-family: Arial,Helvetica,sans-serif;
  background-color: grey;
  color: white;
  text-align: center;
  text-decoration: none;
}
a:hover, a:active {
  padding: 2px;
  font-family: Arial,Helvetica,sans-serif;
  background-color: white;
  color: red;
  text-align: center;
  text-decoration: none;
}
testo {
  font-size: 18px;
  font-family: Arial,Helvetica,sans-serif;
  text-align: justify;
}
didascalia {
  font-size: 14px;
  font-family: Arial,Helvetica,sans-serif;
  text-align: justify;
  color: black;
  background-color: white;
  
}
h1 {
  border: 1px solid black;
  padding: 1px;
  font-family: Arial,Helvetica,sans-serif;
  font-size: 20px;
  color: grey;
  width: 75%;
  height: 15px;
  text-align: justify;
}