Fixes #18228: Don't use `transparent` for bottom border, use bg color

diff --git a/scss/_nav.scss b/scss/_nav.scss
index 123d2b844bb6767c4a0a8bc67363dbbfb6e49b68..98f3957a6e51c702c684c25629c23ff826a53e40 100644 (file)
--- a/scss/_nav.scss
+++ b/scss/_nav.scss
@@ -64,7 +64,7 @@
     @include plain-hover-focus {
       color: $nav-tabs-active-link-hover-color;
       background-color: $nav-tabs-active-link-hover-bg;
-      border-color: $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-border-color transparent;
+      border-color: $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-bg;
     }
   }