:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  max-width: 720px; margin: 0 auto; padding: 24px 18px 64px;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a; background: #fff;
}
a { color: #2b6cb0; }
header { border-bottom: 1px solid #e5e5e5; padding-bottom: 12px; margin-bottom: 24px; }
header .svc { font-size: 18px; font-weight: 600; }
nav { margin-top: 8px; font-size: 14px; line-height: 2; }
nav a { margin-right: 14px; text-decoration: none; color: #555; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; }
th, td { border: 1px solid #e0e0e0; padding: 8px 10px; text-align: left; font-size: 15px; }
th { background: rgba(127,127,127,.08); }
.muted { color: #777; font-size: 14px; }
.btn { display: inline-block; margin: 18px 0; padding: 12px 22px; background: #2b6cb0; color: #fff; border-radius: 8px; text-decoration: none; font-weight: 600; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid #e5e5e5; font-size: 13px; color: #888; }
footer a { color: #888; margin-right: 12px; }
ol, ul { padding-left: 22px; } li { margin: 4px 0; }
@media (prefers-color-scheme: dark) {
  body { color: #e6e6e6; background: #141414; }
  a { color: #7db3ff; }
  header, footer { border-color: #2a2a2a; }
  nav a { color: #aaa; }
  th, td { border-color: #333; }
}