body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #111;
  color: #fff;
  line-height: 1.6;
  padding: 20px;
}

header {
  text-align: center;
  padding: 30px 0;
}

header h1 {
  font-size: 3em;
  margin: 0;
}

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

section {
  margin-top: 60px;
}

.project {
  background: #222;
  padding: 15px;
  border-radius: 10px;
  margin: 15px 0;
}

a {
  color: #0af;
}

footer {
  margin-top: 50px;
  text-align: center;
  color: #888;
}