html {
  scroll-behavior: smooth; /* Add smooth scrolling to the whole page */
}

#topButton {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background: rgba(128, 128, 128, 0.6);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  color: white;
  cursor: pointer;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 18px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#topButton:hover {
  background: rgba(128, 128, 128, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}