update bootstrap

1 files changed, 12 insertions, 2 deletions

diff --git a/vendor/twbs/bootstrap/site/content/docs/5.3/components/close-button.md b/vendor/twbs/bootstrap/site/content/docs/5.3/components/close-button.md
index 39b80e1cd..533271b49 100644
--- a/vendor/twbs/bootstrap/site/content/docs/5.3/components/close-button.md
+++ b/vendor/twbs/bootstrap/site/content/docs/5.3/components/close-button.md
@@ -24,7 +24,9 @@ Disabled close buttons change their `opacity`. We've also applied `pointer-event
 
 ## Dark variant
 
-{{< callout info >}}
+{{< deprecated-in "5.3.0" >}}
+
+{{< callout warning >}}
 **Heads up!** As of v5.3.0, the `.btn-close-white` class is deprecated. Instead, use `data-bs-theme="dark"` to change the color mode of the close button.
 {{< /callout >}}
 
@@ -37,8 +39,16 @@ Add `data-bs-theme="dark"` to the `.btn-close`, or to its parent element, to inv
 </div>
 {{< /example >}}
 
-## Sass
+## CSS
 
 ### Variables
 
+{{< added-in "5.3.0" >}}
+
+As part of Bootstrap's evolving CSS variables approach, close button now uses local CSS variables on `.btn-close` for enhanced real-time customization. Values for the CSS variables are set via Sass, so Sass customization is still supported, too.
+
+{{< scss-docs name="close-css-vars" file="scss/_close.scss" >}}
+
+### Sass variables
+
 {{< scss-docs name="close-variables" file="scss/_variables.scss" >}}