body {
  font-family: Arial, sans-serif;
  max-width: 760px;
  margin: 60px auto;
  padding: 0 20px;
  line-height: 1.6;
  color: #222;
}
h1 {
  margin-bottom: 5px;
}
nav {
  margin: 30px 0;
}
nav a {
  margin-right: 20px;
}