Make scrollbar track transparent (#2260)

.changeset/wicked-cougars-repeat.md

@@ -0,0 +1,5 @@
+---
+"@tabler/core": patch
+---
+
+Make scrollbar track transparent

core/scss/mixins/_mixins.scss

@@ -15,7 +15,7 @@
 
 @mixin scrollbar($color: var(--#{$prefix}body-color-rgb)) {
   #{if(&, "&", "*")} {
-    scrollbar-color: color-transparent(var(--#{$prefix}scrollbar-color, var(--#{$prefix}body-color)), .20);
+    scrollbar-color: color-transparent(var(--#{$prefix}scrollbar-color, var(--#{$prefix}body-color)), .20) transparent;
   }
 
   #{if(&, "&", "*")}::-webkit-scrollbar {