add import

Author: Wesley

styles/web/sass/core/widgets/_popupmenu.scss

@@ -1,3 +1,15 @@
+//
+// DISCLAIMER:
+// Do not change this file because it is core styling.
+// Customizing core files will make updating Atlas much more difficult in the future.
+// To customize any core styling, copy the part you want to customize to styles/web/sass/app/ so the core styling is overwritten.
+//
+
+/* ==========================================================================
+   Popup Menu
+
+   Default Mendix Popup Menus
+========================================================================== */
 .popupmenu {
     position: relative;
     display: inline-flex;

styles/web/sass/main.scss

@@ -52,6 +52,7 @@
 @import 'core/widgets/navigationlist';
 @import 'core/widgets/navigationtree';
 @import 'core/helpers/navigationtree';
+@import 'core/widgets/popupmenu';
 @import 'core/widgets/simplemenubar';
 @import 'core/helpers/simplemenubar';
 @import 'core/widgets/radiobuttons';