:root { --post-fs: 17px; --post-lh: 1.9; --post-color: #2a2f2c; --post-h2-fs: 24px; --post-h2-mt: 2.2em; --post-h3-fs: 19px; --post-h3-mt: 1.6em; }
@media (max-width: 640px) { :root { --post-fs: 16px; } }