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

header {
  background: #0077cc;
  color: white;
  text-align: center;
  padding: 2em 0;
}

nav a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
}

section {
  padding: 2em;
  background: white;
  margin: 1em auto;
  max-width: 800px;
  border-radius: 8px;
}

.project img {
  width: 100%;
  max-width: 300px;
  display: block;
  margin-bottom: 0.5em;
}

footer {
  text-align: center;
  padding: 1em;
  background: #ccc;
}