html {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
}

body {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem 1rem;
}

header,
footer {
  font-size: 0.9rem;
  color: #666;
}

header {
  margin-bottom: 2rem;
}

footer {
  margin-top: 3rem;
  border-top: 1px solid #ddd;
  padding-top: 1rem;
}

a {
  color: #335;
  text-decoration: underline;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 1.5rem 0;
}

p {
  margin: 0 0 1rem 0;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.25rem;
}