body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e') no-repeat center center fixed;
  background-size: cover;
  color: white;
}

.hero {
  text-align: center;
  padding: 50px;
  background-color: rgba(0, 0, 50, 0.7);
}

.search-bar {
  padding: 10px;
  margin-top: 10px;
  width: 200px;
  border-radius: 5px;
  border: none;
}

nav ul {
  list-style: none;
  padding: 0;
}

nav ul li {
  display: inline;
  margin: 0 10px;
}

nav ul li a {
  color: white;
  text-decoration: none;
}

.section {
  padding: 40px;
  background-color: rgba(0, 0, 50, 0.6);
  margin: 20px;
  border-radius: 10px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.8);
}

.modal-content {
  background-color: #fefefe;
  margin: 10% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
  color: black;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}