body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: white;
  background-image: url('hcker.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100vh;
}

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

header {
  background-image: url('hcker.jpg');
  background-size: cover;
  background-position: center;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

h1, h2, nav {
  text-align: center;
}

ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

li {
  display: inline-block;
  margin: 10px;
}

a {
  color: white;
  text-decoration: none;
  font-size: 20px;
}