Fix Row collapse selector logic

Based on https://github.com/zurb/foundation-emails/issues/243

diff --git a/scss/grid/_grid.scss b/scss/grid/_grid.scss
index 3c752748903adbece52b9ec07a46aad623230b5c..97f5ee38872a1c66e558bb00c512fc241b37719f 100755 (executable)
--- a/scss/grid/_grid.scss
+++ b/scss/grid/_grid.scss
@@ -93,8 +93,8 @@ th.column {
 
   //Collapsed logic
   .collapse {
-    > td.large-#{$i},
-    > th.large-#{$i} {
+    tbody > tr > td.large-#{$i},
+    tbody > tr > th.large-#{$i} {
       padding-right: 0;
       padding-left: 0;
       width: -zf-grid-calc-px($i, $grid-column-count, $global-width) + $global-gutter;