http://snipplr.com/users/chrisaiv/language/css Recent snippets posted on Snipplr.com en-us Sun, 12 Oct 2008 20:17:16 GMT http://snipplr.com/view/6654/how-to-use-ems-when-youre-already-comfortable-with-pixels/ Here's why I use em: 1. Pixels are precise but they're not very flexible. If you increase your browser's font-size, things may grow in wacky ways. 2. Percentages solve the issue of flexibility but sometimes the math gets tricky and I don't feel very comfortable purely working in that mode. I believe in Rapid Development which in this context means fewer calculators. By translating 1em to equal 10px, I am able to think in terms of Photoshop pixels but also ensure that increasing the font-size will allow the site to grow proportionally. If you know how to multiply and divide by 10, you'll rarely need a calculator. Note: The only time I do use px is for 1px borders. 0.1em doesn't work very well.

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