SXA - Sitecore - adding custom css calss to the container component

In this post, i will show you how to add a custom CSS class to the container component which is available in the SXA toolbox,
simply open your site and open settings section
find styles and click on it
find container and click on it,
add your style and name it and make sure to select the container render in the allowed renders.

when you going back to the page and adding container component you can find your class in the available styles, select your style and save the changes.