when using very small Windows, which happens automatically on mobile phones, the position
of the submenue for “Play/add/…” is sometimes too high, so the entries can not be selected.
it is also possible to simulate this on a PC, simply resize browser Windows to small outline
on the PC, it happes with IE11 and also with Chrome
Picture volsw3.jpg Show a correct Version
x1. and x2. Shows a failed version