Additional options to control and customize the appearance of gadgets from Jira in Confluence pages

While we do have the ability to add gadgets from Jira into Confluence pages, such as Sprint Health Gadgets, Days Remaining and etc, we do have options to change its width, however we don't have many option such as change the font size, color.

It would be useful to control that, as when the gadget returns the data from Jira, it is not identical on how it looks there, fonts size and style changes in the gadget on Confluence.