body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
}

h1 {
  font-size: 3em;
  margin-top: 0;
}

section.background-image {
  background-image: url("https://images.unsplash.com/photo-1536183922588-166604504d5e?q=80&w=1469&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");
  background-repeat: no-repeat;
  background-size: cover;
  height: 50vh;
}

section.menu {
  margin-top: 50px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

li {
  display: inline-block;
  margin-right: 20px;
}

a {
  text-decoration: none;
  color: #fff;
}

a:hover {
  color: #000;
}

footer {
  text-align: center;
  margin-top: 20px;
}