diff --git a/app/assets/stylesheets/framework/blocks.scss b/app/assets/stylesheets/framework/blocks.scss
index b3f5deb59e7b4fd0c644d9098d2fbb1c51c6f9fb..a019ccfb23a0eb94797c939e67ec5d5ec709bc07 100644
--- a/app/assets/stylesheets/framework/blocks.scss
+++ b/app/assets/stylesheets/framework/blocks.scss
@@ -82,11 +82,11 @@
   }
 
   .block-controls {
-    display: -webkit-box;
+    display: -webkit-flex;
     display: flex;
-    -webkit-box-pack: end;
+    -webkit-justify-content: flex-end;
     justify-content: flex-end;
-    -webkit-box-flex: 1;
+    -webkit-flex: 1;
     flex: 1;
 
     .control {