body {
    margin: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #f1f1f1;
  }
  
  #gameCanvas {
    display: block;
    background-color: #1e1e1e;
    width: 100vw;
    height: 100vh;
  }