CSS generated content can have unintended side-consequences. As Andy Clarke discovered recently, data- attributes he used as a way to transfer content into CSS for visual purposes are not translated using built-in browser functionality. His[^ Note that this is using Andy’s use case as an example. He immediately added a note to his article when I made him aware of the accessibility implications. I wanted to write this up as a lesson in how the web changes and how different aspects of the ...