body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #4a90e2;
  color: white;
  padding: 40px 20px;
  text-align: center;
}

main {
  padding: 20px;
}

section {
  background: white;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

section h2 {
  color: #4a90e2;
}

footer {
  text-align: center;
  padding: 15px;
  background-color: #ddd;
}