/* Reset dasar */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f9;
  color: #333;
}

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

header h1 {
  margin: 0;
  font-size: 2.5em;
}

/* Konten utama */
main {
  padding: 40px;
  text-align: center;
}

/* Footer */
footer {
  background: #222;
  color: #ccc;
  text-align: center;
  padding: 10px;
  position: fixed;
  bottom: 0;
  width: 100%;
}