Post #1767861

@aartaka ``` :root { counter-reset: h2 h3 h4; } h2::before { counter-increment: h2; content: counter(h2) "."; counter-set: h3 0; } h3::before { counter-increment: h3; content: counter(h2) "." counter(h3) "."; counter-set: h4 0; } h4::before { counter-increment: h4; content: counter(h2) "." counter(h3) "." counter(h4) "."; } ```