body{
 margin: 0;
 background-color: #23597f;
 background-image: url("ihshor.png");
 background-repeat: no-repeat;
 background-attachment: fixed;
 background-position: 50% 10%;
 font-size: 2.5rem;
 font-family: "Lato", sans-serif;
}

#titolo {
  margin: auto;
  width: 50%;
  padding: 5%;
  color: #EEE;
  text-align: center;
}
#sottotitolo {
  font-size: 2.2rem;
  font-style: italic; 
}
#testo {
  font-size: 2.2rem;
}

#testo a.visited {
  display: block;
  color: #FFF;
  padding: 8px 16px;
  text-decoration: none;
}

#testo a {
  display: block;
  color: #daaf7a;
  padding: 8px 16px;
  text-decoration: none;
}
 
#testo a.active {
  background-color: #daaf7a;
  color: #760076;
}

#testo a.active:hover {
  background-color: #ce2f2b;
  color: white;
}

#testo a:hover:not(.active) {
  background-color: #ce2f2b;
  color: white;
}

div.content {
  margin-left: 25%;
  padding: 1px 16px;
  height: 1000px;
}

@media screen and (max-width: 900px) {
  ul.sidenav {
    width: 100%;
    height: auto;
    position: relative;
  }
  
  ul.sidenav li a {
    float: left;
    padding: 15px;
  }
  
  div.content {margin-left: 0;}
}

@media screen and (max-width: 400px) {
  ul.sidenav li a {
    text-align: center;
    float: none;
  }
}