Michael

Change the background-image size in an Elementor Container widget. It will display a smaller image in the frontend (editor will still show the full size).
How to use it: 
* add a container 
* set the background image 
* change the ‘Background size’ (in the ‘Style’ tab at the end of ‘Background’ )

Custom background-image size for Elementor

Change the background-image size in an Elementor Container widget. It will display a smaller image in the frontend (editor will still show the full si …

Anil Sardemann

This plugin distinguishes between block and non block themes to add a fullscreen background image to WordPress. It is set either to the body tag (in case of a non block theme) or to the wp-site-blocks class (in case of a block theme). Upload an image or choose one from your media library. Simple plugin that allows you to set a background image for your website easily.
<a href="https://playground.wordpress.net/?plugin=custom-background-image" title="WordPress Playground Demo" rel="nofollow ugc">Demo</a>

Custom Background Image

Simple plugin that allows you to set a background image easily. Upload an image or choose one from your media library.

Custom background-image size for Elementor vs Custom Background Image