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Sass mixin for z-index
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// ---- | |
// Sass (v3.3.8) | |
// Compass (v1.0.0.alpha.19) | |
// ---- | |
/* | |
* inspired by: | |
* http://www.smashingmagazine.com/2014/06/12/sassy-z-index-management-for-complex-layouts/ | |
*/ | |
$z: ( | |
base: | |
project-covers | |
user-tooltip | |
sorting-bar | |
modals | |
navigation | |
, | |
modals: | |
fields | |
form-controls | |
errors | |
autocomplete-dropdown | |
); | |
@function single($x) { | |
@return length($x) == 1; | |
} | |
@function first($x) { | |
@return nth($x, 1); | |
} | |
@function last($x) { | |
@return nth($x, length($x)); | |
} | |
@mixin z-index($component) { | |
$layer: if(single($component), base, first($component)); | |
z-index: index(map-get($z, $layer), last($component)); | |
} | |
#nav { | |
@include z-index(navigation); | |
} | |
#modal { | |
@include z-index(modals); | |
} | |
#modal__error { | |
@include z-index(modals form-controls); | |
} |
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/* | |
* inspired by: | |
* http://www.smashingmagazine.com/2014/06/12/sassy-z-index-management-for-complex-layouts/ | |
*/ | |
#nav { | |
z-index: 5; | |
} | |
#modal { | |
z-index: 4; | |
} | |
#modal__error { | |
z-index: 2; | |
} |
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