We'll create fresh WordPress site with ACF Flexible Columns installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin will replace your default content editor with flexible multiple column editors, allowing you to add up to 4 columns of content to your page. Column widths can be easily altered and are responsive to mobile, tablet and desktop device sizes. This plugin requires the PRO version of Advanced Custom Fields to work as it makes use of Flexible Content fields.