User blog comment:Trollocool/Styling your infoboxes/@comment-26402117-20160911142434/@comment-26575390-20160912132129

It is perfectly fine with changing its flex-basis property. Keep in mind, a best practice is to define fitting flex-basis values that mach the actual horizontal space of .pi-data-label and .pi-data-value.

(Oh noes, copy past fail. I'll removide right now, thanks. ;) )