Admin menu bar covers part of the screen while working in mobile mode I think that the image I attached says it all - a part of the screen is covered by admin menu in mobile view from my pc (this is the default firefox mobile view). 

It's extremely problematic when I need to check something that is at the fold of the page, i.e at the top part of the page beacuse it also being covered and I have no where to scroll-up to, and must logout to view it or check through another browser and this can be tiresome sometimes.
There is no configuration settings at admin/config/administration/admin_menu for hiding the admin_menu at the mobile screen, hence you can do 2 things:


Either inspect you site in incognito mode of Chrome or private browsing in Firefox
Permanent solution would be applying CSS for this

@media screen and (max-width: 640px) {
  #admin-menu {
    display: none;
  }
}