body {
    background-color: #000000; /* Black */
    color: #ffd700; /* Golden yellow */
    margin: 0;
    padding: 0;
  }
  
  nav {
    background-color: #000000; /* Black */
    padding: 20px;
  }
  
  nav h1 {
    margin: 0;
    text-align: center;
    font-size: 50px;
  }
  
  main {
    text-align: center;
    padding: 10px;
    margin-top: 50px;
  }
  
  a.button {
    display: inline-block;
    background-color: #ffd700; /* Golden yellow */
    color: #000000; /* Black */
    border: none;
    margin: 10px;
    font-size: 16px;
    text-decoration: none;
    width:300px;
    height:130px;
    border-radius: 10px;
    text-align: center;
    padding-top: 20px;
    font-size: 20px;
  }
  a.button span {
    display: inline-block;
    vertical-align: middle;
  }