body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

header {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 1rem;
}

header h1 {
  margin: 0;
}

.broken {
  color: red;
  text-decoration: line-through;
}

nav {
  margin-top: 1rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
}

nav a:hover {
  background: #555;
  padding: 0.5rem 1rem;
}

img {
  max-width: 100%;
  display: block;
}

footer {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 1rem;
}