How to change the display size of Prism.js with highlight display function such as source code. It is specified by CSS.
I decided to remove the WordPress plugin Crayon Syntax Highlighter.
The reason is because there is an alternative means. So, you do not need to use a plugin.
In view of the performance of the site, and considering "Search Engine Optimization" it is better to have fewer plugins.
I decided to use Prism.js as an alternative.