[#43426885] add collapsable fieldset to branding features

![](http://content.screencast.com/users/mlaurenmaxwell/folders/Jing/media/2fdabbfe-3c18-4123-8807-a96207b6df5a/00000290.png)
![](http://content.screencast.com/users/mlaurenmaxwell/folders/Jing/media/bd303fbb-3e67-4e75-88d4-8e7658dfda69/00000291.png)