* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(270deg, #ff9a9e, #fad0c4, #a1c4fd, #c2e9fb);
  background-size: 800% 800%;
  animation: gradientMove 15s ease infinite;
  font-family: 'Segoe UI', sans-serif;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.card {
  background: white;
  padding: 2.5rem 3rem;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  text-align: center;
}

.card h1 {
  margin-bottom: 1.5rem;
  color: #333;
}

.number {
  font-size: 4rem;
  color: #444;
  margin-bottom: 1.5rem;
}

.buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

button {
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background-color: #3498db;
  color: white;
  transition: 0.3s ease;
}

button:hover {
  background-color: #2980b9;
}

button:nth-child(2) {
  background-color: #e67e22;
}

button:nth-child(2):hover {
  background-color: #d35400;
}

button:nth-child(1) {
  background-color: #e74c3c;
}

button:nth-child(1):hover {
  background-color: #c0392b;
}