body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(120deg, #e0f7fa, #fff);
  color: #333;
  padding: 2rem;
  text-align: center;
  transition: background 0.5s ease-in-out;
}
.clock {
  background: white;
  padding: 1.5rem;
  margin: 1.5rem auto;
  border-radius: 15px;
  max-width: 400px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  transition: transform 0.3s ease-in-out;
}
.clock:hover {
  transform: scale(1.02);
}
select {
  padding: 0.5rem;
  margin: 1rem 0;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #ccc;
}
#homeLink {
  display: none;
  margin-top: 1rem;
  color: #007bff;
  text-decoration: none;
  font-weight: bold;
}
#homeLink:hover {
  text-decoration: underline;
}
.fade-in {
  animation: fadeIn 1.5s ease-in;
}
.slide-in {
  animation: slideIn 1.5s ease;
}
.zoom-in {
  animation: zoomIn 1.5s ease-in-out;
}
@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}
@keyframes slideIn {
  from {transform: translateX(-100%); opacity: 0;}
  to {transform: translateX(0); opacity: 1;}
}
@keyframes zoomIn {
  from {transform: scale(0.8); opacity: 0;}
  to {transform: scale(1); opacity: 1;}
}