Flurin Dürst

This plugin adds a simple container block to the Gutenberg editor. 
By default the container will be rendered as a <code>div</code> with the class <code>.wp-block-wpseed-container</code>. 
You can nest blocks and add classes to each container to create the structure needed.

WPSeed Container Block

This plugin adds a simple container block to the Gutenberg editor.
By default the container will be rendered as a div with the class .

marclloyd77

Ninja Forms Layout adds fieldset and div elements to the ‘Layout’ Elements’ block. It also includes custom classes for elements to allow for more interesting layouts and styling.
This plugin requires the Ninja Forms plugin.

Ninja Form Layout

Ninja Forms Layout adds fieldset and div elements.

WPSeed Container Block vs Ninja Form Layout