- Missing css class

Signed-off-by: Dave Richer <dave@imexsystems.ca>

client/src/components/trello-board/styles/Base.js

@@ -82,6 +82,9 @@ export const StyleVertical = styled.div`
     // TODO ? This is the question. We need the same drag-zone we get in horizontal mode
     min-height: 50px; // Not needed, just for extra landing space
   }
+  .smooth-dnd-container.horizontal {
+    white-space: normal;
+  }
 
   .react-trello-board {
     overflow-y: hidden !important;