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Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

After update from ff12 to ff13 there are css positioning(design) changing. What (css) hack I can apply only for ff13?

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All the version of firefox/chrome/safari they are displaying site correctly with the same css. From ff13 the menu of the site is moved 1 or 2 px down or right. If I make to work with ff13 doesn't work the rest of browsers.

All the version of firefox/chrome/safari they are displaying site correctly with the same css. From ff13 the menu of the site is moved 1 or 2 px down or right. If I make to work with ff13 doesn't work the rest of browsers.

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A good place to ask advice about web development is at the MozillaZine "Web Development/Standards Evangelism" forum.

The helpers at that forum are more knowledgeable about web development issues.
You need to register at the MozillaZine forum site in order to post at that forum.