Whenever a final implementation lands, along with :nth-word() and the like, I guess we can say goodbye to lettering.js The desired syntax was :nth-letter() , where the argument would (ideally) take the same values that :nth-child() can (e.g, a simple index, even / odd , or an expression like 2n+4 ). Bramus is a frontend web developer from Belgium, working as a Chrome Developer Relations Engineer at Google.