There is actually a concept called Fitts' Law that just describes what you said. When tabs are placed against the very top edge of the screen, the top edge eff

There is actually a concept called Fitts' Law that just describes what you said. When tabs are placed against the very top edge of the screen, the top edge effectively acts as a target with infinite height (Y-axis), making it very easy to reach. Apple and Microsoft both apply this concept in their OS, just to different elements (close button or menu bar). https://en.wikipedia.org/wiki/Fitts%27s_law https://en.wikipedia.org/wiki/Fitts%27s_law