html, body {
      margin: 0;
      padding: 0;
      overflow: hidden;
      background: #000;
Background-image:url(https://aviator.com.in/wp-content/uploads/2025/07/aviator-game-main.webp);
      font-family: Arial, sans-serif;
      touch-action: none;
    }
    canvas {
      display: block;
      background: #111;
      margin: 0 auto;
    }
    #controls {
      position: absolute;
      bottom: 20px;
      width: 100%;
      display: flex;
      justify-content: center;
      gap: 40px;
    }
    .btn {
      background: #fff;
      color: #000;
      padding: 10px 30px;
      border-radius: 8px;
      font-size: 20px;
      user-select: none;
    }
    #timer {
      position: absolute;
      top: 10px;
      left: 10px;
      color: white;
      font-size: 18px;
    }
    #level {
      position: absolute;
      top: 10px;
      right: 10px;
      color: white;
      font-size: 18px;
    }