_button-group.scss in bootstrap-5.3.0.alpha3

- old
+ new

@@ -37,11 +37,11 @@
   @include border-radius($btn-border-radius);
 
   // Prevent double borders when buttons are next to each other
   > :not(.btn-check:first-child) + .btn,
   > .btn-group:not(:first-child) {
-    margin-left: -$btn-border-width;
+    margin-left: calc(#{$btn-border-width} * -1); // stylelint-disable-line function-disallowed-list
   }
 
   // Reset rounded corners
   > .btn:not(:last-child):not(.dropdown-toggle),
   > .btn.dropdown-toggle-split:first-child,
@@ -124,10 +124,10 @@
     width: 100%;
   }
 
   > .btn:not(:first-child),
   > .btn-group:not(:first-child) {
-    margin-top: -$btn-border-width;
+    margin-top: calc(#{$btn-border-width} * -1); // stylelint-disable-line function-disallowed-list
   }
 
   // Reset rounded corners
   > .btn:not(:last-child):not(.dropdown-toggle),
   > .btn-group:not(:last-child) > .btn {