body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f4f9;
  color: #333;
}

header {
  background: #007acc;
  color: white;
  padding: 1rem 0;
  text-align: center;
}

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

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

.container {
  width: 80%;
  max-width: 900px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

img {
  max-width: 100%;
  border-radius: 8px;
  margin: 1rem 0;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 2rem;
}