body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #131212;
  }
  
  canvas {
    max-width: 100%;
    max-height: 100%;
  }