Increase contrast of active dropdown-item in vertical layout (#2033)

Co-authored-by: Paweł Kuna <[email protected]>

.changeset/small-avocados-end.md

@@ -0,0 +1,5 @@
+---
+"@tabler/core": patch
+---
+
+Increase contrast of active `dropdown-item` in vertical layout

src/scss/_variables.scss

@@ -732,7 +732,7 @@ $navbar-light-color: var(--#{$prefix}body-color) !default;
 $navbar-light-brand-color: var(--#{$prefix}body-color) !default;
 $navbar-light-active-color: var(--#{$prefix}body-color) color !default;
 $navbar-light-disabled-color: var(--#{$prefix}disabled-color) !default;
-$navbar-light-active-bg: rgba(0, 0, 0, 0.06) !default;
+$navbar-light-active-bg: rgba(0, 0, 0, 0.2) !default;
 
 $navbar-dark-color: rgba($white, $text-secondary-opacity) !default;
 $navbar-dark-brand-color: $white !default;