used zero-breakpoint name for stacking

diff --git a/scss/components/_media-object.scss b/scss/components/_media-object.scss
index e3c2267c21763c2ed2a999c58a868c3fa79744a7..eef829d36245b8d0e4599e41881ad88a40820500 100644 (file)
--- a/scss/components/_media-object.scss
+++ b/scss/components/_media-object.scss
@@ -75,12 +75,12 @@ $mediaobject-image-width-stacked: 100% !default;
     }
 
     @if $global-flexbox {
-      &.stack-for-small {
+      &.stack-for-#{$-zf-zero-breakpoint} {
         flex-wrap: wrap;
       }
     }
 
-    &.stack-for-small .media-object-section {
+    &.stack-for-#{$-zf-zero-breakpoint} .media-object-section {
       @include breakpoint($-zf-zero-breakpoint only) {
         @include media-object-stack;
       }