body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
}
header {
  background: #008b8b;
  color: white;
  padding: 1rem;
  text-align: center;
}
.content {
  padding: 2rem;
  text-align: center;
}
.content img {
  width: 90%;
  max-width: 600px;
  margin-bottom: 1rem;
  border-radius: 10px;
}
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem;
}