html,
body { background: #f3f0e9; }

@media (prefers-color-scheme: dark) {
  html,
  body { background: #0d0d10; }
}

html[data-theme="light"],
html[data-theme="light"] body { background: #f3f0e9; }

html[data-theme="dark"],
html[data-theme="dark"] body { background: #0d0d10; }