body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background-color: #111;
  color: #fff;
  padding: 20px 0;
}

header h1, header nav a {
  color: #fff;
  text-decoration: none;
}

header ul {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 0;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

footer {
  background-color: #111;
  color: #fff;
  text-align: center;
  padding: 15px 0;
  margin-top: 40px;
}