There is no such option available in free version. So, we recommend you to purchase the [premium version http://demo.canyonthemes.com/capacious-pro/ ] of it. You can check the premium version here.
If you want to do it on the free version, you can customize the theme.
Note: [Child Theme https://www.templatesell.com/blog/child-themes-and-its-usage/ ] is recommended to customize the theme.