Description and Screenshot
Step 1
XTRA
Widget background and text color
In the WordPress ٓXtra Theme, you can fully customize the widgets and, for example, set the background color, font, etc. for it.
The Path is Theme Options > General > Colors & Styling > Sidbar & Widgets > Widgets StyleKit.
Tips
Also you may know …
You can also change the style of a single widget.
The Path is Dashboard >Appearance > Widgets.
