I wanna put a div tag that always shown in top left (left corner) in page, and moreover,
I want anther div also should be always shown (as bar in top of page) when when a client scroll 50px down
example of what I mean exactly:
1- see triangle in top left corner ("New Development Tools")
2- scroll a little down, you will see a black bar of main menu always shown even with scrolling
so any idea how to do that?