body {
      margin: 0;
      overflow: hidden;
      background: #111;
    }
    #container {
      position: relative;
      width: 100vw;
      height: 100vh;
    }
    #three-canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }
    #text-container {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 90%;
      transform: translate(-50%, -50%);
      color: #00ffcc;
      font-family: sans-serif;
      font-size: 5vw;
      font-weight: bold;
      text-align: center;
      perspective: 400px;
    }
    .letter {
      display: inline-block;
      white-space: pre;
    }
    .word {
        display: inline-block;
    }

    #music-toggle {
      position: absolute;
      top: 20px;
      right: 20px;
      font-size: 24px;
      cursor: pointer;
      z-index: 100;
      color: #fff;
      opacity: 0.5;
      transition: opacity 0.3s;
    }
    #music-toggle:hover {
      opacity: 1;
    }