body {
  font-family: 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.6;
  max-width: 680px;
  margin: 40px auto;
  padding: 0 20px;
  background: #fff;
  color: #111;
}
h1 { font-size: 1.4em; margin-bottom: 0.3em; }
h2 { font-size: 1.1em; margin: 1.5em 0 0.4em; border-bottom: 1px solid #ccc; padding-bottom: 3px; }
a  { color: #333; }
a:hover { text-decoration: none; background: #111; color: #fff; }
ul { padding-left: 1.2em; }
li { margin: 0.25em 0; }
.post-meta { font-size: 0.85em; color: #555; margin-bottom: 0.3em; }
.back { font-size: 0.85em; margin-top: 2em; }
hr   { border: none; border-top: 1px solid #ccc; margin: 2em 0; }