pseudo-element - Read For Learn

CSS content property: is it possible to insert HTML instead of Text?

Unfortunately, this is not possible. Per the spec: Generated content does not alter the document tree. In particular, it is not fed back to the document language processor (e.g., for reparsing). In other words, for string values this means the value is always treated literally. It is never interpreted as markup, regardless of the document … Read more

sass :first-child not working

While @Andre is correct that there are issues with pseudo elements and their support, especially in older (IE) browsers, that support is improving all the time. As for your question of, are there any issues, I’d say I’ve not really seen any, although the syntax for the pseudo-element can be a bit tricky, especially when … Read more

Combine :after with :hover

Just append :after to your #alertlist li:hover selector the same way you do with your #alertlist li.selected selector: