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Use box shadows instead of linear gradients to colorize tables (#32348)

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Co-authored-by: XhmikosR <xhmikosr@gmail.com>
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Martijn Cuppens 2020-12-11 14:49:22 +01:00 committed by GitHub
parent 81042ff467
commit 62eb5a3232
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2 changed files with 2 additions and 2 deletions
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2
scss/_tables.scss
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@ -25,8 +25,8 @@
> :not(caption) > * > * {
padding: $table-cell-padding-y $table-cell-padding-x;
background-color: var(--#{$variable-prefix}table-bg);
background-image: linear-gradient(var(--#{$variable-prefix}table-accent-bg), var(--#{$variable-prefix}table-accent-bg));
border-bottom-width: $table-border-width;
box-shadow: inset 0 0 0 9999px var(--#{$variable-prefix}table-accent-bg);
}
> tbody {

2
site/content/docs/5.0/content/tables.md
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@ -213,7 +213,7 @@ Highlight a table row or cell by adding a `.table-active` class.
For the accented tables ([striped rows](#striped-rows), [hoverable rows](#hoverable-rows), and [active tables](#active-tables)), we used some techniques to make these effects work for all our [table variants](#variants):
- We start by setting the background of a table cell with the `--bs-table-bg` custom property. All table variants then set that custom property to colorize the table cells. This way, we don't get into trouble if semi-transparent colors are used as table backgrounds.
- Then we add a gradient on the table cells with `background-image: linear-gradient(var(--bs-table-accent-bg), var(--bs-table-accent-bg));` to layer on top of any specified `background-color`. Since `--bs-table-accent-bg` is transparent by default, we have an invisible transparent linear gradient by default.
- Then we add an inset box shadow on the table cells with `box-shadow: inset 0 0 0 9999px var(--bs-table-accent-bg);` to layer on top of any specified `background-color`. Because we use a huge spread and no blur, the color will be monotone. Since `--bs-table-accent-bg` is unset by default, we don't have a default box shadow.
- When either `.table-striped`, `.table-hover` or `.table-active` classes are added, the `--bs-table-accent-bg` is set to a semitransparent color to colorize the background.
- For each table variant, we generate a `--bs-table-accent-bg` color with the highest contrast depending on that color. For example, the accent color for `.table-primary` is darker while `.table-dark` has a lighter accent color.
- Text and border colors are generated the same way, and their colors are inherited by default.