body {
  text-align: center;
}

h1 {
  text-transform: uppercase;
  background-color: #000000;
  border-radius: 30px;
  text-align: center;
  color: #FFFFFF;
  padding: 10px;
}

h2 {
  text-transform: uppercase;
  background-color: #000000;
  border-radius: 30px;
  text-align: center;
  color: #FFFFFF;
  padding: 8px;
}

h3 {
  text-transform: uppercase;
  background-color: #000000;
  border-radius: 30px;
  text-align: center;
  color: #FFFFFF;
  padding: 6px;
}

.simbolo {
  width: 100%;
  height:50px;
}