body {
  font-family: Arial, sans-serif;
  background-color: #f4f6f8;
  margin: 0;
}

header {
  background-color: #1f2937;
  color: white;
  padding: 20px;
  text-align: center;
}

.cards {
  display: flex;
  justify-content: space-around;
  margin: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  width: 40%;
  text-align: center;
  font-size: 18px;
}