# Type That Reads Well: Scale, Line Length and Pairing

Text reads well when its sizes come from a type scale in rem, its lines hold about 45 to 75 characters, its line height suits body text and headings, and the page uses two fonts at most.

![Cheat sheet: Type That Reads Well: Scale, Line Length and Pairing](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/08767efbb03245ef8e639900851f1126.webp)

- Category: CSS
- Level: Journeyman
- Tags: CSS, Font pairing, Font size, Letter spacing, Line height, rem unit, Type scale, web-development
- Updated: November 1, 2026

Source: https://www.ask-codey.com/cheat-sheets/css-design-typography-cheat-sheet