body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f8f8f8;
  color: #333;
}

header {
  background: #000;
  color: white;
  padding: 10px 20px;
}

.logo {
  margin: 0;
  font-size: 24px;
}

main {
  padding: 20px;
}

footer {
  text-align: center;
  padding: 10px;
  background: #eee;
}