How to make the text field wider?

Hi,

That could be possible if a sidebar is not used
– https://demo.tagdiv.com/newspaper/td-post-five-things-you-may-have-missed-over-the-weekend-from-the-world-of-business/
When there is no sidebar the post content will occupy the full width of the theme. In that demo post paragraph padding is used, without it the post would be wider
– https://www.screencast.com/t/T5TNul1L1

Thanks