body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #ff0000;
  color: #000;
}
header {
  background: #000;
  color: #ff0000;
  padding: 1rem;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}
nav a {
  color: #ff0000;
  text-decoration: none;
}
.hero {
  text-align: center;
  padding: 4rem 1rem;
}
footer {
  background: #000;
  color: #ff0000;
  text-align: center;
  padding: 2rem 1rem;
}