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This plugin is currently aimed at developers so it doesn’t come with any CSS or JavaScript, it just ads the DIVs for the columns, the rest is up to the developer’s imagination. This will allow developers to easily add column functionality to custom WordPress implementations.
<h3>Usage</h3>
How do users use it?
To split the content into columns, you simply add the shortcode [columnbreak] where you want the one column to end and the next one to start.
It will add a container around the columns with the class ‘ninja_columns’ and the class ‘colsid_{post-id}’ that will allow you to target the post or page specifically.

Ninja Columns

The plugin will allow users to easily split content into columns using short-codes.

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)
<h4>Features include:</h4>
<ul>
<li>Desktop grid width</li>
<li>Tablet grid width</li>
<li>Mobile grid width</li>
<li>Add custom classes</li>
<li>Add custom inline styles</li>
<li>Equal height columns</li>
</ul>

Lightweight Grid Columns

Love this plugin works really well.

One really small point would be great if the button for columns showed up when editing a Toolset template, some kind of integration with Toolset.

Its not a massive thing as you learn the code you can just manually write it but would be a nice little time saving update if it was integrated! :)

Great plugin would be even better with Toolset support

Easily add desktop, tablet and mobile friendly columns to your content using an easy to use shortcode.

Ninja Columns vs Lightweight Grid Columns