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I'm working on a fairly large site and am having trouble managing z-indexes. Is there a Firefox add-on that will look at a page and give me an ordered list of every element with a z-index declared? That would save a ton of times for the cases where a z-index was wrong or hard to find.
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You set z-index on a static element By default, every element has a position of static. z-index only works on positioned elements (relative, absolute, fixed, sticky) so if you set a z-index on an element with a static position, it won't work.
To sum up, most issues with z-index can be solved by following these two guidelines: Check that the elements have their position set and z-index numbers in the correct order. Make sure that you don't have parent elements limiting the z-index level of their children.
css("z-index", ''); Extract from the documentation : Setting the value of a style property to an empty string — e.g. $('#mydiv'). css('color', '') — removes that property from an element if it has already been directly applied, whether in the HTML style attribute, through jQuery's .
You find it here
https://addons.mozilla.org/en-US/firefox/addon/60
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