body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333;
  background: #fff;
}

header {
  background: #111;
  color: #fff;
  padding: 10px;
  text-align: center;
}

nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}

.hero {
  position: relative;
  text-align: center;
  color: white;
}

.hero img {
  width: 100%;
  height: auto;
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.5);
  padding: 20px;
  border-radius: 8px;
}

main {
  padding: 20px;
}

footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 10px;
  margin-top: 20px;
}