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postcss-zindex
Advanced tools
Readme
Reduce z-index values with PostCSS.
With npm do:
npm install postcss-zindex --save
Sometimes, you may introduce z-index values into your CSS that are larger than
necessary, in order to improve your understanding of how each stack relates to
the others. For example, you might have a modal overlay at 5000
and the dialog
for it at 5500
- so that modal classes occupy the 5xxx
space.
But in production, it is unnecessary to use such large values for z-index where
smaller values would suffice. This module will reduce all z-index declarations
whilst respecting your original intent; such that the overlay becomes 1
and
the dialog becomes 2
. For more examples, see the tests.
.modal {
z-index: 5000
}
.modal-overlay {
z-index: 5500
}
.modal {
z-index: 1
}
.modal-overlay {
z-index: 2
}
Note that this module does not attempt to normalize relative z-index values,
such as -1
; indeed, it will abort immediately when encountering these values
as it cannot be sure that rebasing mixed positive & negative values will keep
the stacking context intact. Be careful with using this module alongside
JavaScript injected CSS; ideally you should have already extracted all of your
stacking context into CSS.
Type: number
Default: 1
Set this to any other positive integer if you want to override z-indices from
other sources outside your control. For example if a third party widget has a
maximum z-index of 99
, you can set this to 100
and not have to worry about
stacking conflicts.
See the PostCSS documentation for examples for your environment.
See CONTRIBUTORS.md.
MIT © Ben Briggs
FAQs
Reduce z-index values with PostCSS.
We found that postcss-zindex demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 7 open source maintainers collaborating on the project.
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