body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

header {
  padding: 1rem 0;
  text-align: center;
}

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

nav {
  text-align: center;
  margin: 1rem 0;
}

nav a {
  color: #0056b3;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  background: #333;
  color: #fff;
  padding: 1rem 0;
  position: relative;
  bottom: 0;
  width: 100%;
}