body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #121212;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }

  #canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
  }