a {
    text-decoration: none;
  }
 h1 {
    font-size: 110%;
 }
  .invert-color {
    filter: invert(1);
    background: black;
  }
  .large-gray-button {
    font-size: 18px;
    padding: 1px 18x;
    background-color: lightgray;
    color: black;
  }

  .large-button {
    font-size: 18px;
    padding: 1px 18px;
  }

  .large-dark-button {
    font-size: 18px;
    padding: 1px 18px;
    background-color: black;
    color: white;
  }
  .large-light-button {
    font-size: 18px;
    padding: 1px 18px;
    background-color: white;
    color: black;
  }

  audio {
    width: 100%;
  }