Apply a custom style to a group of common widgets

[Mahmoood]

In this section 'Widget' means the common control (Button, TextView, .....) not the widget screen that appears on the device home screen.
So the mentioned references in this context is not correct.

[Amejia481]

Thanks for noticing it, you're right, we have to fix it!
Do you want to collaborate on this improvements?
Or do you have any resources relevant to this section?

[Mahmoood]

I have created a pull request with the fix.