body {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 24px;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin-left: 20px;
  color: #333;
  text-decoration: none;
}

main {
  margin-top: 80px;
}

h1, h2 {
  font-weight: 600;
}