html { font-size: 16px; }
body {
  margin: 0 auto; max-width: 38rem; padding: 2.2rem 1.2rem 4rem;
  font-family: "Iowan Old Style", Palatino, Georgia, serif; line-height: 1.58;
  color: #1f2124; background: #f7f7f5;
}
h1 { font-size: 1.55rem; margin-bottom: 0.15rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }
nav { margin: 1.3rem 0 2rem; font-size: 0.9rem; }
nav a { margin-right: 1rem; }
a { color: #35506b; }
blockquote { margin: 1.2rem 0; padding-left: 1rem; border-left: 3px solid #d8d6d0;
  color: #4a4c50; }
table { border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.3rem 1.2rem 0.3rem 0; }
footer { margin-top: 3rem; font-size: 0.85rem; color: #78797d; }