In the UI, improve the visibility and size of the file drop field.

Two functions in one window without border and color separation are very difficult to distinguish.
### Currently

- When creating a .tor file, you have to do precise bombing :). Because, the size of the window becomes small.

-------------------------------------------------------------------------------------------------------------
### Please, if you can:
1. Divide by color or border and color of the field.
2. Make the fields the same size vertically for different types of archiving. For example, a small one is stretched at the moment of throwing a file to a standard size.

- P:S.: I think this will be better, since not all people have 100% vision.

### I would very much like