How to change page block width in Wordpress?

Question

PHP

Good day!
The portfolio page contains an image and description. Added via plugin.
The size of all pages on the site is 1200px, and on the portfolio the page is full width.
How to change the width on the plugin page to the same width as on all other pages of the site?
Portfolio page at goo.gl/EW6WgU
Portfolio page example at plugins.apalodi.com/viba-portfolio/work/vintage-bag

Answer 1

you have theme-content sets the style for the container in the theme, and in the container plugin
you can set css for container, you can wrap it in theme-content