How can you figure out the highest z-index in your document?

Asked 2009-07-13T08:00:10.177

In order to set a div containing a transparent text image as the highest z-index in my document, I picked the number 10,000 and it solved my problem.

Previously I had guessed with the number 3 but it had no effect.

So, is there a more scientific way of figuring out what z-index is higher than that of all of your other elements?

I tried looking for this metric in Firebug but couldn't find it.

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I believe what you are observing is Voodoo. Without access to your complete style sheet I can of course not tell reliably; but it strikes me as likely that what really has happened here is that you have forgotten that only positioned elements are affected by z-index.

Additionally, z-indexes aren't assigned automatically, only in style sheets, which means that with no other z-indexed elements, z-index:1; will be on top of everything else.

answered 2009-07-13T08:06:23.533

How can you figure out the highest z-index in your document?

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