How to Add a Collapsible/Expandable Text Area in WordPress

How to use with elementor ?

Is there a way to (CSS) hard code the container color? For some reason your tool isn't playing nice with the new WP page builder and changing the color.

This helped me alot

can you guide how can create another collapsibe area inside one collapsible area ,I mean nested collapsible area.

Truly good content!