body {
  margin: 0;
  background: #fff;
  color: #1c1a22;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 20px; line-height: 1.3; margin: 32px 0 8px; }
p, ul { margin: 0 0 12px; }
li { margin-bottom: 6px; }
a { color: #0b63c5; }
.date { color: #66626f; font-size: 15px; }
@media (prefers-color-scheme: dark) {
  body { background: #17151c; color: #eeecf2; }
  a { color: #7db8ff; }
  .date { color: #a29eab; }
}