Sometimes you want to change the layout of a post or page, for whatever reason.
The layout of a post or page is determined by the WordPress theme that you’re using, but you can change a couple of things. Let’s change the layout.
Open one of your published posts.
Scroll right down the page to Layout Settings
You see the choice of layout you have there?
Let’s try the Full Width. Click or Tap on it
Update your post. Go and have a look.