body {
  background-color: black;
  color: white;
  text-align: center;
  font-family: 'Courier New', Courier, monospace, serif;
}

.header {
  padding: 20px;
}

.content {
  max-width: 800px;
  margin: 0 auto;
}

.content img {
  width: 100%;
  max-width: 400px;
}