css3 - Fireworks kern value into css -

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i have text in fireworks kerned @ "12". not trying translate value css. translate 12%? .12em... how convert it?

my colleague found great article: http://justinmarsan.com/css-letter-spacing-in-photoshop-and-browsers/

the calculations in fireworks.

fireworks or photoshop em formula:

x / 1000 = y

where x value of letter-spacing in photoshop , y value in em use in css

fireworks or photoshop px formula:

x * s / 1000 = p

where x equal letter-spacing value in photoshop, s font-size in pixels (which equal value in point provided you’re working in 72dpi) , p resulted value in px use in css


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