html {
    font-family: Helvetica;
    display: inline-block;
    margin: 0px auto;
    text-align: center;
  }
  h1{
    color: #0F3376;
    padding: 2vh;
  }
  p{
    font-size: 1.5rem;
  }
  .go_button {
    display: inline-block;
    background-color: #008CBA;
    border: none;
    border-radius: 4px;
    color: white;
    padding: 16px 40px;
    text-decoration: none;
    font-size: 30px;
    margin: 2px;
    cursor: pointer;
  }
  .off_button {
    background-color: #f44336;
  }
  .back_button {
    background-color: #008CBA;
  }