Fixed translate3d

app/less/app.less

@@ -2452,11 +2452,12 @@ img.img_fullsize {
   -webkit-box-shadow: 0px 1px 0px 0px rgba(83,169,234,1);
   -moz-box-shadow: 0px 1px 0px 0px rgba(83,169,234,1);
   box-shadow: 0px 1px 0px 0px rgba(83,169,234,1);
-  transform: translateX(0);
+  .transform(translate3d(0,0,0));
+
   transition: transform ease-in-out 0.2s;
 
   .composer_emoji_tooltip_tabs_stickers_active & {
-    transform: translateX(100%);
+    .transform(translate3d(100%,0,0));
   }
 }
 
@@ -2556,11 +2557,13 @@ img.img_fullsize {
 .composer_emoji_tooltip_tabs_contents {
   position: absolute;
   width: 200%;
-  transform: translateX(0);
+  .transform(translate3d(0,0,0));
+
   transition: transform ease-in-out 0.2s;
 
   .composer_emoji_tooltip_tabs_stickers_active & {
-    transform: translateX(-284px);
+    .transform(translate3d(-284px,0,0));
+
   }
 }
 .composer_emoji_tooltip_tab_emoji_content,