Side bar and editor section is blended because of same background color.

[dipbazz]

The sidebar and main editor sections are not accurately distinguishable because of the same background-color. And because of that, it is hard to resize. The scenario is shown in the below video, as while hovering the mouse cursor in between the border of two sections is very difficult.

https://user-images.githubusercontent.com/33461005/102654894-77c2f800-4199-11eb-8040-3303e0a4b8dc.mov