behavior in 16.04: triple-click middle click (this assumption, can't middle clicking, behavior consistent middle clicking) , opens link in new background tab in firefox. switcher was/is tiny , looks shit, works fine. behavior after upgrade 16.10: double triple-click (but interestingly not single triple-click, nor double double-click, nor double single-click) brings nice looking switcher love use alt+tab. looks great. it's not tiny , doesn't shit. wonderful if alt-tabbing used switcher, because it's large enough visible, background color in keeping ubuntu's theme , matches dock. i triple-click go being middle click. can't find anywhere set this, , it's sad because can't open links in new background tab in firefox without old functionality. 11/7: within past couple days, i've noticed pages huge or small text. ctrl + 0 puts zoom original. however, today realized double-clicking (left click) cycling font size between bigger, smaller, , original