:root { color-scheme: light dark; }
body { font: 1rem/1.5 sans-serif; max-width: 70ch; margin: 0 auto; padding: 0 1rem 3rem; }
h1, h2, h3 { line-height: 1.2; margin: 2rem 0 0.75rem; }
h3 { font-size: 1rem; font-weight: normal; }
img { max-width: 100%; height: auto; }
ul { padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }
figcaption { font-size: 0.875rem; }
hr { border: 0; border-top: 1px solid currentColor; opacity: 0.25; margin: 2rem 0; }
@media (prefers-color-scheme: dark) { body { color: #e6e6e6; background-color: #121212; } }