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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
  padding: 20px;
}

header {
  background-color: #003366;
  color: #fff;
  padding: 40px 20px;
  text-align: center;
}

header h1 {
  margin-bottom: 10px;
}

section {
  margin: 40px 0;
}

section h2 {
  margin-bottom: 10px;
  color: #003366;
}
nav {
  background-color: rgba(0, 0, 0, 0.6);
  padding: 1rem;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

.overlay {
  position: relative;
  top: 100px;
  background-color: rgba(0, 0, 0, 0.6);
  margin: auto;
  padding: 2rem;
  max-width: 600px;
  border-radius: 10px;

ul {
  list-style: disc;
  padding-left: 20px;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #003366;
  color: white;
}