There is an option to increase or decrease the default width of the container. Also, there are layouts for the pages, blog pages, and single posts.
Go to Appearance >> Customize >> General Settings >> Container Settings
There are two layouts for the page, blog, and single post:
- Full Width/ Container Fluid
- Full Width/ Stretched
You can select any of them for your pages, blogs, and single posts separately
Single Post Layout
You can also change the container width of individual sections of the Homepage.