body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
  color: #333;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 50px;
  background-color: #003366;
}
header .logo img {
  height: 50px;
}
header nav a {
  margin: 0 15px;
  text-decoration: none;
  color: white;
  font-weight: bold;
}
header nav a:hover {
  text-decoration: underline;
}
.hero {
  text-align: center;
  padding: 100px 20px;
  background: #004080 url('images/london-business.jpg') no-repeat center center/cover;
  color: white;
}
.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}
.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}
.btn {
  background-color: #ffcc00;
  color: #003366;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}
.content {
  padding: 40px;
}
footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 20px;
}