.button-container {
    position: fixed;
    left: 30px;
    top: 100px;
    z-index: 100;
  }
  
  .back-button {
    background-color: #333;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s;
  }
  
  .back-button:hover {
    transform: scale(1.1);
  }
  
  .tooltip {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
  }
  
  .button-container:hover .tooltip {
    opacity: 1;
  }