.ritornello {
  font-weight: bold;
}

.rif-ritornello {
  font-weight: bold;
}

html {
  font-family: 'Roboto', sans-serif;
  background: #f2f2f2;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

.canti {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  background: white;
  padding: 20px 10px 20px;

}

.libretto {
  background: white;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 10px 1px 10px;
}

.libretto img {
  display: block;
  width: 100%;
  margin-bottom: 20px;
}

hr:last-child {
  display: none;
}