body {
  font-family: sans-serif, "Courier New";
  text-align: -webkit-center;
}
#title {
  padding: 10px;
  font-size: 50px;
  color: rgb(100, 100, 100);
}
#demo-title {
  padding: 30px;
  width: 8em;
  max-width: 70vw;
  background: #ddced7;
  color: rgb(0, 0, 0);
  font-size: 50px;
  border-radius: 1rem;
  font-weight: bold;
}
#button-auto {
  border: none;
  padding: 10px;
  font-weight: bold;
  background-color: #ff6513;
  border-radius: 1rem;
  color: white;
}
#button-auto:hover {
  background-color: #ff9035;
}

.color {
  rgb(19, 10, 6)border: 0;
  padding: 0;
  background: none;
  vertical-align: middle;
}
.container {
  margin: 10px 20px;
}