Fix selection dropdown inside menu

RELEASE-NOTES.md

@@ -8,7 +8,7 @@
 - **Accordion** - Added inverted accordion variation
 
 **Bugs**
-
+- **Progress** - Fixes bug where ``ui indicating progress`` would not update its label immediately in webkit
 - **Button** - Fix Chrome bug with buttons sometimes not correctly repainting (particularly evenly divided groups)
 
 **Docs**

src/definitions/collections/menu.less

@@ -241,7 +241,7 @@
 ---------------*/
 
 /* Dropdown */
-.ui.menu .ui.dropdown.visible {
+.ui.menu .ui.dropdown.item.visible {
   background: @subtleTransparentBlack;
   border-bottom-right-radius: 0em;
   border-bottom-left-radius: 0em;