Fix very relaxed vertically divided grid divider spacing

RELEASE-NOTES.md

@@ -5,6 +5,7 @@
 **Bug Fixes**
 
 - **Embed** - Embed will now correctly remove DOM metadata on `destroy`
+- **Grid** - Fix issue with `very relaxed vertically divided grid` having wrong margins on dividers
 
 ### Version 2.4.0 - Sep 17, 2018
 

src/definitions/collections/grid.less

@@ -1112,12 +1112,12 @@
 .ui.relaxed[class*="vertically divided"].grid > .row:before {
   margin-left: (@relaxedGutterWidth / 2);
   margin-right: (@relaxedGutterWidth / 2);
-  width: ~"calc(100% - "@relaxedGutterWidth~")";
+  width: calc(100% - @relaxedGutterWidth);
 }
 .ui[class*="very relaxed"][class*="vertically divided"].grid > .row:before {
-  margin-left: @veryRelaxedGutterWidth;
-  margin-right: @veryRelaxedGutterWidth;
-  width: ~"calc(100% - "@veryRelaxedGutterWidth~")";
+  margin-left: (@veryRelaxedGutterWidth / 2);
+  margin-right: (@veryRelaxedGutterWidth / 2);
+  width: calc(100% - @veryRelaxedGutterWidth);
 }
 
 /*----------------------