body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background: #222;
  color: #fff;
  padding: 20px;
  text-align: center;
}

header h1 {
  margin: 0;
}

main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

img {
  max-width: 100%;
  height: auto;
  margin-top: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

footer {
  text-align: center;
  padding: 10px;
  margin-top: 20px;
  background: #eee;
}