A reasonable question from Jens Oliver Meiert: Is the technique of using declarations just once, a lá chained selectors, still a relevant optimization strategy?
css-tricks.com/css-using-decl…
css-tricks.com/css-using-decl…
css-tricks.com CSS Optimization: Is Using Declarations Just Once (UDJO) Still Effective Today? | CSS-Tricks Is the technique inspired by the DRY principle by identifying and reducing (if not eliminating) CSS declaration repetition still a relevant optimization strategy? 
