Jeffrey Zeldman: That’s why God invented pixels, dear boy.
Ems were intended to make sites more accessible — and they do, if you keep your web text on the meaty side. But when used to deliver undersized text, ems slam up against broken inheritance models, a universe of possible user default settings, and cross-platform issues solved in post-1999 browsers but undercut by individual preference settings.
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© 2001–9 Mark Pilgrim