FIX: use prefixes for CSS transform

app/assets/stylesheets/common/base/magnific-popup.scss

@@ -647,12 +647,13 @@ button {
 }
 
 
-
 .mfp-zoom-in {
   /* start state */
   .mfp-content {
     opacity: 0;
     transition: all 0.2s ease-in-out;
+    -webkit-transform: scale(0.8);
+        -ms-transform: scale(0.8);
             transform: scale(0.8);
   }
 
@@ -665,6 +666,8 @@ button {
   &.mfp-ready {
     .mfp-content {
       opacity: 1;
+      -webkit-transform: scale(1);
+          -ms-transform: scale(1);
               transform: scale(1);
     }
     &.mfp-bg {
@@ -676,6 +679,8 @@ button {
   &.mfp-removing {
 
     .mfp-content {
+      -webkit-transform: scale(0.8);
+          -ms-transform: scale(0.8);
               transform: scale(0.8);
       opacity: 0;
     }