What is macrotypography anyway? Is there a microtypography?
The difference between microtypography and macrotypography is that the former deals primarly with the individual fonts or even characters, while the latter is focused on the broader page layout.
Reference: Macrotypography of a Web Page (Paris Web 2010)
Macrotypography is all about how typography is arranged on a web page. Macrotypographical techniques can be achieved on CSS but we must also bear in mind that the Web itself is changing rapidly. Macrotypography is all about how paragraphs and groups of sentences are placed together and how they appear on a page.
Reference: What Is Macrotypography? How Can It Increase Readability of a Web Page?
Macro, Micro, what’s the difference?
Microtypography, as you may have gleaned from the prefix “micro,” has to do with small details like glyphs, kerning, tracking, and other stylistic choices. It deals mostly with legibility and is concerned with the design of letters and words. Macrotypography refers to how letters and words are arranged on the page. It’s concerned mainly with the readability of paragraphs on the page.
Reference: Macrotypography: It’s All in the Details