Readability
Choosing Readable Font Sizes for the Web
How large should body text be? A practical guide to base sizes, heading scales, rem units and responsive type.
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Readability
Practical, no-nonsense articles on choosing fonts, pairing typefaces and setting type for the web, each linked to a tool so you can try the idea straight away.
Readability
Line Height and Letter Spacing Explained
How line height, letter spacing and line length affect reading comfort, with sensible starting values and the CSS to apply them.