Ask HN: How should looks perfect Bootstrap editor?

Hi, we're building visual editor for Bootstrap framework. We're curious about your opinion how this kind of software should look and what scope of features should offer.

Thanks in advance for your help. Your answers will help us to build a better application.

You can also fill our survey: https://docs.google.com/forms/d/1b1PtlKCAlz_iY8kviNwQGXZV2vpYeaX-up5rBiul7qc/viewform?usp=send_form

Filling this form won't take longer than 3 minutes.