body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f8fff5;
}

header {
  background: #2e7d32;
  color: white;
  padding: 15px;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a.active {
  text-decoration: underline;
}

main {
  padding: 20px;
}

h2 {
  color: #1b5e20;
  margin-top: 25px;
}

h3 {
  color: #388e3c;
  margin-top: 15px;
}

p, ul {
  text-align: justify;
}

footer {
  text-align: center;
  background: #2e7d32;
  color: white;
  padding: 10px;
  margin-top: 20px;
}