ctrl+B: make bold
ctrl+I: make text slanted
crtl+u: underline
ctrl+w: close tab
ctrl+shift+w: close window
ctrl+1: first tab of chrome
ctrl+2: second tab of chrome
…
windows+d: home page
ctrl+t: open new tab
ctrl+shift+t: open recently closed tab
ctrl+n: open new window
F11: full screen
ctrl+prntscr: unsaved screenshot
windows+prntscr: saved screenshot
ctrl+z: undo
crtl+y: undo the undo
