body {
  font-family: Georgia, "Times New Roman", serif;
  max-width: 38em;
  margin: 2em auto;
  padding: 0 1em;
  color: #222;
  line-height: 1.55;
}

nav {
  font-size: 0.9em;
  margin-bottom: 2em;
}

nav a {
  color: #555;
}

h1 {
  font-size: 1.6em;
}

h2 {
  font-size: 1.25em;
  margin-top: 2em;
}

h3 {
  font-size: 1.1em;
  margin-top: 1.5em;
}

a {
  color: #0040a0;
}

a:visited {
  color: #6c2a8c;
}

code {
  font-family: "Courier New", monospace;
  font-size: 0.95em;
}

pre {
  background: #f3f3f3;
  padding: 0.8em;
  overflow-x: auto;
  font-size: 0.9em;
}

blockquote {
  border-left: 3px solid #ccc;
  padding-left: 1em;
  color: #555;
}

table {
  border-collapse: collapse;
  margin: 1em 0;
}

th, td {
  border: 1px solid #bbb;
  padding: 0.4em 0.7em;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eee;
}

hr {
  border: none;
  border-top: 1px solid #ccc;
  margin: 2em 0;
}

img {
  max-width: 100%;
}