body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9fcff;
  color: #333;
}

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

header h1 {
  margin: 0;
  font-size: 2rem;
}

nav {
  background-color: #023e8a;
}

.navbar {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.navbar li {
  position: relative;
}

.navbar li a {
  display: block;
  color: white;
  padding: 14px 20px;
  text-decoration: none;
}

.navbar li a:hover {
  background-color: #0077b6;
}

.dropdown-menu {
  display: none;
  position: absolute;
  background-color: #0077b6;
  list-style: none;
  margin: 0;
  padding: 0;
  top: 100%;
  left: 0;
  min-width: 180px;
  z-index: 999;
}

.dropdown-menu li a {
  padding: 10px 15px;
  color: white;
}

.dropdown-menu li a:hover {
	background-color:  #023e8a;
}
.dropdown:hover .dropdown-menu {
  display: block;
}

main {
  padding: 40px;
  text-align: center;
  background: #f0f8ff;
}

main h2 {
  font-size: 1.8rem;
  color: #0077b6;
}

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