.potion-container {
    position: relative;
    width: 200px;
    height: 300px;
    margin: 100px auto;
  }
  
  #potion {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 250px;
    background: #440d3f;
    border-radius: 15px;
    z-index: 2;
  }
  
  #bubbles {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    z-index: 1;
  }
  
  .bubble {
    position: absolute;
    width: 15px;
    height: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: bubble 5s infinite;
  }
  
  @keyframes bubble {
    0% {
      transform: translateY(0) rotate(0);
    }
    50% {
      transform: translateY(-200px) rotate(180deg);
    }
    100% {
      transform: translateY(0) rotate(360deg);
    }
  }