body {
    background-color: rgb(0, 0, 0);
    color: white;
    padding-top: 50px;
    font-size: 18px;
    font-family: 'Roboto Slab', serif;
  }
  
  h1 {
    font-size: 4em;
    line-height: 70px;
    margin-bottom: 40px;
    font-weight: bold;
  }
  
  a:hover, a:focus, a:active {
    text-decoration: none;
    color: white;
    transition: color 0.8s;
  }
  
  .main-color {
    color: yellow;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.2);
    font-weight: bold;
  }
  
  #quote-box {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 100px 40px;
    position: relative;
    margin-top: 20px;
  }
  
  #quote-left, #quote-right {
    color: yellow;
    font-size: 3em;
    position: absolute;
  }
  
  #quote-left {
    top: 20px;
    left: 20px;
  }
  
  #quote-right {
    bottom: 20px;
    right: 20px;
  }
  
  #quote {
    font-size: 1.5em;
    text-align: center;
  }
  
  #author {
    position: absolute;
    font-size: 1.1em;
    left: 50px;
    bottom: 30px;
  }
  
  .btn {
    border-radius: 10px;
    color: yellow;
    border: 1px solid white !important;
    transition: background 0.8s, color 0.8s;
    line-height: 30px;
    margin-top: 30px;
  }
  
  .btn:hover {
    color: black !important;
    background-color: yellow !important;
    box-shadow: none;
  }

  .btn:active {
    color: black !important;
    background-color: white !important;
    box-shadow: none;
  }

  ul {
    list-style-type: none;
    padding: 0;
    margin: 10px 0 0 0;
    float: right;
    white-space: nowrap;
    overflow: hidden;
  }
  
  li {
    display: inline-block;
    margin: 0 0 0 1px;
  }
  
  #hidden {
    display: none;
  }