body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #70c5ce;
    font-family: Arial, sans-serif;
  }
  
  h1 {
    position: fixed;
    top: 10px;
    left: 0;
    right: 0;
    color: #fff;
    text-shadow: 2px 2px #333;
    text-align: center;
    z-index: 100;
    margin: 0;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
  }
  
  canvas {
    display: block;
    width: 100vw;
    height: 100vh;
    background: #70c5ce;
    border: 2px solid #333;
    border-radius: 10px;
  }