page structure

You can see this example here : https://demo.styledthemes.com/celestial-free/sample-page-2-2/in-line-columns/ to see how you can put two columns. There is example too.

Can I use the custom CSS to do this? Also is this the simplest way to do this?

Yes you can always use custom CSS and using those inline column feature you can do it in simple way.

Marking this topic as resolved as there is no reply in past 2 weeks.