body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f6f8fa;
  color: #1f2328;
}

header {
  padding: 1rem 2rem;
  background: #24292f;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
}

header a {
  color: #fff;
  text-decoration: none;
}

main#app {
  max-width: 860px;
  margin: 2rem auto;
  padding: 0 1.5rem 3rem;
}

.file-list {
  list-style: none;
  padding: 0;
}

.file-list li {
  margin-bottom: 0.5rem;
}

.file-list a {
  text-decoration: none;
  color: #0969da;
  font-size: 1.05rem;
}

.file-list a:hover {
  text-decoration: underline;
}

.markdown-body {
  background: #fff;
  padding: 2rem;
  border-radius: 6px;
  border: 1px solid #d0d7de;
}