Fixes #2187 hidden divider does not work with vertical divider

RELEASE-NOTES.md

@@ -81,6 +81,7 @@
 - **Card** - IE11 now can correctly use  `flexbox` cards **THanks @Widcket**
 - **Checkbox** - Fix `disabled checkbox` sometimes displaying hand cursor
 - **Checkbox** - Fixes nested `dropdown` inside `checkbox` causing issues
+- **Divider**  - Hidden divider now correctly hides vertical dividers
 - **Dropdown** - Fixes issue with headers disappearing inside of `ui dropdown` when nested in `ui menu`
 - **Dropdown** - Fixes `onChange` to fire when input value changes, not just when menu UI changes
 - **Dropdown** - Dropdowns with `transition: none` now work correctly.

src/definitions/elements/divider.less

@@ -193,6 +193,10 @@
 .ui.hidden.divider {
   border-color: transparent !important;
 }
+.ui.hidden.divider:before,
+.ui.hidden.divider:after {
+  display: none;
+}
 
 /*--------------
     Inverted