Fix customizer setup for 6.3

Author: kball

customizer/complete.json

@@ -10,6 +10,7 @@
     "badge",
     "breadcrumbs",
     "button_group",
+    "card",
     "callout",
     "close_button",
     "menu",
@@ -29,6 +30,7 @@
     "progress_bar",
     "responsive_menu",
     "responsive_toggle",
+    "responsive_accordion_tabs",
     "reveal",
     "slider",
     "sticky",

customizer/config.yml

@@ -19,6 +19,9 @@ typography:
 button:
   sass: button
 
+card:
+  sass: card
+
 forms:
   sass: forms
 
@@ -168,6 +171,9 @@ sticky:
     - triggers
     - mediaQuery
 
+responsive_accordion_tabs:
+  js: zf.responsiveAccordionTabs
+
 reveal:
   sass: reveal
   js: reveal

scss/grid/_classes.scss

@@ -55,11 +55,14 @@
       }
     }
 
-    // Static (unresponsive) row gutters
-    @each $breakpoint, $value in $grid-column-gutter {
-      &.#{$gutter}-#{$breakpoint} {
-        > .#{$column} {
-          @include grid-col-gutter($value);
+    @if type-of($grid-column-gutter) == 'map' {
+      // Static (unresponsive) row gutters
+      //
+      @each $breakpoint, $value in $grid-column-gutter {
+        &.#{$gutter}-#{$breakpoint} {
+          > .#{$column} {
+            @include grid-col-gutter($value);
+          }
         }
       }
     }