.gotop-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    transition: opacity 0.3s ease;
  }
  
  .gotop-btn img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    cursor: pointer;
  }
  
  .gotop-btn:hover img {
    opacity: 0.8;
    transform: scale(1.1);
    transition: all 0.3s ease;
  }