body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.7;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 15px;
  color: #222;
  background-color: #ffffff;
}

h1, h2, h3 {
  color: #111;
}

a {
  color: #0b5ed7;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 20px;
}

hr {
  margin: 40px 0;
}

footer, .footer {
  font-size: 14px;
  color: #555;
}