body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  line-height: 1.6;
  color: #111;
  background: #fff;
}

header {
  padding-bottom: 20px;
  border-bottom: 1px solid #ddd;
  margin-bottom: 20px;
}

h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

h2 {
  margin-top: 30px;
  color: #222;
}

section {
  margin-bottom: 20px;
}

ul {
  padding-left: 20px;
}

footer {
  margin-top: 40px;
  padding-top: 10px;
  border-top: 1px solid #ddd;
  font-size: 14px;
  color: #666;
}