* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: white;
  color: #333;
}

header {
  background-color: #0077b6;
  color: white;
  padding: 20px;
  text-align: center;
}

header .logo h1 {
  margin-bottom: 10px;
  font-size: 2.5em;
}

nav ul {
  list-style: none;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 1.2em;
}

.banner {
  background-color: #00b4d8;
  color: white;
  padding: 50px 0;
  text-align: center;
}

.banner h2 {
  font-size: 3em;
}

.banner p {
  font-size: 1.2em;
}

.cta-btn {
  background-color: #4caf50;
  color: white;
  padding: 15px 25px;
  font-size: 1.2em;
  text-decoration: none;
  border-radius: 5px;
}

.cta-btn:hover {
  background-color: #45a049;
}

.content-section