body {
  margin: 0;
  font-family: Arial, sans-serif;
}
.hero {
  height: 70vh;
  background-image: url("../img/hero.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}