Two column

You will need to start customising your child theme’s CSS and possible 1 or more of its template files.

divide page into two column

what page exactly?

– a static page’s content?
— use one of the ‘content column’ plugins: https://www.ads-software.com/extend/plugins/search.php?q=content+columns

– an index or archive page?

I want a static content page. It will be in the right sidebar. I also want a different color for this sidebar or column.