body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

header {
  background-color: #0d3b66;
  color: #fff;
  padding: 20px 0;
  text-align: center;
}

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

nav a:hover {
  text-decoration: underline;
}

.banner {
  background-image: url('https://images.unsplash.com/photo-1522204523234-87238b4b6f2b?fit=crop&w=1400&q=80');
  background-size: cover;
  color: #fff;
  text-align: center;
  padding: 100px 20px;
}

section {
  padding: 50px 20px;
}

.job-listing {
  border: 1px solid #ccc;
  margin: 15px 0;
  padding: 15px;
}

.job-listing a {
  color: #0d3b66;
  text-decoration: none;
  font-weight: bold;
}

.job-listing a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #0d3b66;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}

.btn:hover {
  background-color: #145da0;
}

footer {
  background-color: #0d3b66;
  color: #fff;
  text-align: center;
  padding: 20px 0;
}