Merge pull request #10592 from adobe/prafulVaishnav/fix-10175

Temporary Fix for weird project tree scrollbar on Mac

Author: prksingh

src/styles/brackets_scrollbars.less

@@ -21,6 +21,17 @@
  *
  */
 
+ /* Temporary fix for issue#10150 for weird project tree scrollbar behaviour on mac. Scrollbar not appearing on hover. Forcing the project tree div to render displays the scrollbar. So setting transparent background color of div on hover.
+*/
+
+.platform-mac
+{
+    .open-files-container:hover,
+    #project-files-container:hover {
+        background-color: rgba(128, 128, 128, 0);
+    }
+}
+
 /* Temporary implementation of unobtrusive scrollbars.
    FUTURE: These currently rely on nonstandard WebKit styles, and don't have all the right behavior.
    Longer-term, we'll need to implement custom scrollbars. */