#timeline li {
    margin: 30px;
  }
  
  #image {
    display: block;
    height: auto;
    max-width: 100%;
    margin: auto;
    border: 10px solid #37394b;
    }
  
  #timeline {
    max-width: 800px;
    margin: 0 auto;
  }
  
  #title {
    text-align: center;
  }
  
  #img-caption {
    text-align: center;
  }
  
  #tribute-info {
    text-align: center;
  }
  
  #main {
    background: #c3e2e8;
  }
  
  h3 {
    text-align: center;
  }