body {
  font-family: -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.6;
  color: #24292e;
}
img { max-width: 100%; height: auto; }
a { color: #0366d6; }
pre {
  background: #f6f8fa;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}
code {
  background: #f6f8fa;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 85%;
}
pre code { background: none; padding: 0; }
blockquote {
  border-left: 4px solid #dfe2e5;
  margin: 0;
  padding: 0 1rem;
  color: #6a737d;
}