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layout/z-index.md: retrieve z-index variables on build time

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XhmikosR 2020-04-02 22:27:17 +03:00 committed by Mark Otto
parent e2efa2b764
commit 5f932ff734
1 changed files with 13 additions and 7 deletions
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site/content/docs/4.3/layout/z-index.md
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@ -12,13 +12,19 @@ These higher values start at an arbitrary number, high and specific enough to id
We don't encourage customization of these individual values; should you change one, you likely need to change them all.
{{< highlight scss >}}
$zindex-dropdown: 1000 !default;
$zindex-sticky: 1020 !default;
$zindex-fixed: 1030 !default;
$zindex-modal-backdrop: 1040 !default;
$zindex-modal: 1050 !default;
$zindex-popover: 1060 !default;
$zindex-tooltip: 1070 !default;
{{< zindex.inline >}}
{{- $file := readFile "scss/_variables.scss" -}}
{{- $matches := findRE `\$zindex\-.+;` $file -}}
{{- if (eq (len $matches) 0) -}}
{{- errorf "Got no matches for $zindex- in %q!" $.Page.Path -}}
{{- end -}}
{{- range $matches }}
{{ . | replaceRE "\\s{13}" " " }}
{{- end -}}
{{< /zindex.inline >}}
{{< /highlight >}}
To handle overlapping borders within components (e.g., buttons and inputs in input groups), we use low single digit `z-index` values of `1`, `2`, and `3` for default, hover, and active states. On hover/focus/active, we bring a particular element to the forefront with a higher `z-index` value to show their border over the sibling elements.