body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
}

.container {
  max-width: 900px;
  margin: 60px auto;
  padding: 20px;
}

nav {
  background: #161b22;
  padding: 15px;
  text-align: center;
}

nav a {
  margin: 0 15px;
  color: #58a6ff;
  text-decoration: none;
  font-weight: bold;
}

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

h1 {
  font-size: 40px;
  margin-bottom: 10px;
}

h2 {
  margin-top: 40px;
  border-bottom: 1px solid #30363d;
  padding-bottom: 5px;
}

.project {
  margin-top: 20px;
}

.tech {
  font-size: 14px;
  color: #8b949e;
}