Plugin / ASD Fullwidth Element Sizer

Michael H Fahey



The easy solution for making images or other HTML elements full window width!
Makes your Gutenberg Cover Image blocks ACTUALLY full window width!

Just apply the CSS class “fullwidth-element” to your existing HTML tags or Gutenberg Cover Image.


div class=”my-class fullwidth-element”>

Or, In your Gutenberg page, select the Cover Image block, and edit the Advanced settings, set Additional CSS Class to “fullwidth-element” and your Cover Image now does what you always expected it to.

How it works: In the browser, window width and element size are calculated, and CSS “width” and “margin” values are applied to cause them to occupy the full width of the broswer window, no matter the size of the parent container. This process is applied to any HTML element which has the class “fullwidth-element”.

FullWidth Element Sizer also sets a timer in the browser to watch for the window width to change, and will recalculate and re-apply full width values if it does.


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Details Information



First Released

27 Aug, 2018

Total Downloads


Wordpress Version

3.6 or higher

Tested up to:


Require PHP Version:

5.6 or higher




The plugin hasn't been transalated in any language other than English.


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