* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.0;
  color: #222;
}

header {
  line-height: 0.85;
  padding: 1rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

header h1 {
  margin-bottom: 0.25rem;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin: 0 0.75rem;
  text-decoration: none;
  color: #222;
}

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

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 1rem;
}

section {
  padding: 1rem 0;
  border-bottom: 1px solid #eee;
}

section:last-child {
  border-bottom: none;
}

.project {
  margin-bottom: 1.5rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: #777;
  font-size: 0.9rem;
}