body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f5f5f5;
  color: #333;
}

header {
  background: #333;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
}

header nav a {
  color: white;
  margin: 0 1rem;
  text-decoration: none;
}

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

main {
  padding: 2rem 1rem;
}

h1, h2, h3 {
  margin-top: 0;
}

.project {
  background: white;
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 1rem;
  background: #333;
  color: white;
  margin-top: 2rem;
}