This is a very common and convenient pattern: e.g. this is how it appears in readthedocs [](http://read-the-docs.readthedocs.org/en/latest/features.html) (note the last blue element: it is only visible on hover).
This is a very common and convenient pattern: e.g. this is how it appears in readthedocs
(note the last blue element: it is only visible on hover).