Practical CSS: Combining :has, :not, :only-child and :placeholder-shown pseudo-classes

pseudo, adjective: being apparently rather than actually as stated CSS pseudo-classes are like regular classes in that they can be used to select DOM elements. They’re unlike regular classes in that you can’t see them in the HTML. They select elements dynamically, based on their own rules. This is what makes them powerful. I really like them because they let me remove dynamic presentation lo...