:root {
  --bg: #b8b8b8;
  --panel: #ffffff;
  --ink: #0b0b0b;
  --nav: #001a7a;
  --nav-ink: #ffffff;
  --border: #000000;
  --muted: #4b4b4b;
  --code-bg: #f4f4f4;
  --code-border: #d1d1d1;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Verdana, Arial, Helvetica, sans-serif;
  line-height: 1.35;
}

code,
pre {
  font-family: "Courier New", Courier, monospace;
}

.wrap {
  max-width: 980px;
  margin: 18px auto;
  padding: 0 12px;
}

.header {
  border: 2px solid var(--border);
  background: var(--panel);
  padding: 16px 18px;
}

h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.2px;
}

.tagline {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.nav {
  margin-top: 10px;
  border: 2px solid var(--border);
  background: var(--nav);
  color: var(--nav-ink);
  padding: 8px 10px;
  font-size: 13px;
}

.nav a {
  color: var(--nav-ink);
  text-decoration: underline;
}

.nav .sep {
  padding: 0 8px;
  opacity: 0.9;
}

.box {
  margin-top: 12px;
  border: 2px solid var(--border);
  background: var(--panel);
  padding: 14px 16px;
}

h2 {
  margin: 0 0 10px 0;
  font-size: 18px;
}

h3 {
  margin: 14px 0 6px 0;
  font-size: 14px;
}

ul,
ol {
  margin: 8px 0 8px 22px;
}

.note {
  border: 1px dashed #555;
  background: #fffbe6;
  padding: 10px 12px;
  margin-top: 10px;
  font-size: 13px;
}

.setup {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.setup th {
  background: #e9e9e9;
  text-align: left;
  border: 1px solid #444;
}

.setup td {
  vertical-align: top;
  border: 1px solid #444;
}

.setup-title {
  background: #f7f7f7;
}

pre {
  margin: 0;
  padding: 10px 12px;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  overflow-x: auto;
}

.footer {
  margin-top: 12px;
  border: 2px solid var(--border);
  background: var(--panel);
  padding: 10px 12px;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .setup th:first-child,
  .setup td:first-child {
    width: 42%;
  }
}