1. We’re not quite sure about it yet. We will take a look at this thing. At this moment you may need to use redirect plugin. For example from www.yourdomain.com/category/my-cateogry redirect to www.yourdomain.com/my-cateogry-page. You can try to use this redirect plugin Redirection.
2. Unfortunately, we don’t have that kind of feature. At this moment, to achieve that you will need to add custom CSS code.