:root { color-scheme: dark; }
* { box-sizing: border-box; }
html { background: #141414; }
body {
  margin: 0 auto;
  max-width: 720px;
  padding: 48px 16px 64px;
  color: #e5e5e5;
  font: 17px/1.6 "Helvetica Neue", Helvetica, Arial, sans-serif;
}
header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
header img { width: 64px; height: 64px; }
h1 { margin: 0; font-size: 36px; line-height: 1.1; color: #fff; }
h2 { margin: 40px 0 12px; font-size: 22px; color: #fff; }
a { color: #fff; }
.lead { font-size: 20px; color: #fff; }
table { border-collapse: collapse; margin: 8px 0 16px; }
td { padding: 8px 24px 8px 0; vertical-align: middle; }
kbd {
  display: inline-block;
  min-width: 28px;
  padding: 3px 8px;
  margin-right: 4px;
  border: 1px solid #555;
  border-radius: 5px;
  color: #fff;
  font: inherit;
  font-size: 15px;
  text-align: center;
}
.muted { color: #a3a3a3; font-size: 15px; }
footer { margin-top: 56px; }