The dropdowns do not drop down on touch devices,
before fixing that need to check in on if the noble
battle to keep the menu visible for as many devices
as possible (and not hide behind the hamburger)
should in fact be given up.
Ref #114
It can be well argued that this should have been removed for screen readers
also, but i only removed it because it was visually confusing directly below
the search bar and clicking on it meant losing what you'd typed in, and this
doesn't apply to how search bar and search link will appear in screen readers.