body {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
}

a {
  color: #333;
  text-decoration: none;
}

a:hover {
  color: #0095dd;
}

header {
  background-color: #ffffff;
  padding: 20px;
}

header h1 {
  margin: 0;
  color: #ffffff;
  font-size: 24px;
  text-align: center;
}

nav {
  background-color: #333;
  color: #ffffff;
  text-align: center;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  display: inline-block;
  margin: 0 10px;
}

nav a {
  color: #ffffff;
  font-size: 18px;
  padding: 10px;
  display: block;
}

nav a:hover {
  background-color: #25237E;
  color: #ffffff;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

section {
  margin: 20px 0;
}

section h2 {
  font-size: 24px;
  margin: 10px 0;
}

footer {
  background-color: #333;
  color: #ffffff;
  padding: 20px;
  text-align: center;
}

footer p {
  margin: 0;
}