body {
  font-family: sans-serif;
  background-color: #fff;
}

header {
  height: 80px;
  background-color: #000;
  color: #fff;
}

header h1 {
  font-size: 2rem;
  margin: 0;
  text-align: center;
}

header nav {
  float: right;
}

header nav a {
  color: #fff;
  text-decoration: none;
  padding: 10px;
}

main {
  padding: 20px 0;
}

section {
  margin-bottom: 20px;
}

section h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

section p {
  margin-bottom: 20px;
}

footer {
  height: 40px;
  background-color: #ccc;
  text-align: center;
}

footer p {
  margin: 0;
}