We'll create fresh WordPress site with Lightweight Grid Columns installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Lightweight Grid Columns are super easy to use! Install and activate the plugin, then look for the columns icon within your TinyMCE toolbar (see screenshots).
Specify your desired desktop, tablet and mobile widths of the columns, add your content and then insert your shortcode into your content.
Lightweight Grid Columns uses the awesome Unsemantic Framework: (http://unsemantic.com/)
Check out GeneratePress, our awesome WordPress theme! (https://wordpress.org/themes/generatepress)