Created by Russ Weakley of Max Design, this presentation on the CSS line-height property is the perfect crash course for anyone looking to refine their Web type. The guide itself isn’t new, but has surprisingly managed to become more relevant over time, now that typography is becoming more important to Web designers and users alike.

If you never understood why line-heights don’t scale with font sizes, or how default/normal values can be altered proportionately with number values, you might want to look below.

Weakley’s guide is certainly a must-see for beginners, but even experienced Web designers may end up learing something new, because as the creator notes, CSS line-height is far more complex than it first appears.

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