FAQ shortcode settings is super easy as you imagine. Just Click on the FAQ editor button and popup window will be appears. By default you can select “All FAQ” or you can Customize FAQ’s. For Customize FAQ’s an window will appear like this:
By clicking Add FAQ a shortcode will be created like below:
[colorful_faq cat="wordpress" tag="vimeo" order="DESC" items="-1"]
If you want to show all FAQ then just use [colorful_faq] this shortcode only. This shortcode will work anywhere in your website.