body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
}
header {
  background: #0056b3;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}
.coupons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2rem;
}
.coupon-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1rem;
  width: 300px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.discount {
  font-size: 1.2rem;
  font-weight: bold;
  color: #0056b3;
}
.get-code {
  background: #0056b3;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  margin-top: 1rem;
  cursor: pointer;
  border-radius: 5px;
}
.get-code:hover {
  background: #004494;
}