David Emery OnlineFirefox 4: CSS3 calc()
4 July 2010
Firefox will support the CSS calc() value, which lets you compute a length value using an arithmetic expression. This means you can use it to define the sizes of divs, the values of margins, the widths of borders, and so forth.
Oh god, it would be so awesome if all browsers would adopt this – most importantly WebKit, which on the sites I look after has a majority share (!).
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