body {
    background: #222;
  }
  
  h2 {
    color: #666;
    font-family: monospace;
    text-align: center;
  }
  
  .background {
    table-layout: fixed;
    border-spacing: 0;
  }
  
  .background td {
    padding: 0;
  }
  
  .lava, .actor {
    background: #e55;
  }
  
  .wall {
    background: #444;
    border: solid 3px #333;
    box-sizing: content-box;
  }
  
  .actor {
    position: absolute;
  }
  
  .coin {
    background: #e2e838;
    border-radius: 50%;
  }
  
  .player {
    background: #335699;
    box-shadow: none;
  }
  
  .lost .player {
    background: #a04040;
  }
  
  .won .player {
    background: green;
  }
  
  .game {
    position: relative;
    overflow: hidden;
  }