What’s the highest z-index on a page (and other CSS property problems)
Reading Time: 4 minutes Ever been the new person on an old project where you were trying to not make things substantially worse? Maybe you need to position an element, but you don’t know what z-index value is safe to use. You don’t want to layer something to z-index: 9999 if z-index: 10 will suffice… but how do you