body {
  font-family: Arial;
  margin: 20px;
  line-height: 1.6;
}

h1 {
  color: #2c3e50;
}

h2 {
  color: #34495e;
}

ul {
  background: #f4f4f4;
  padding: 10px;
}

a {
  text-decoration: none;
  color: blue;
}