For a YouTube embed there are default CSS classes to allow for responsive handling of the embed when viewed on smaller devices like mobile phones.
… and what classes are those?
More specifically, where is the list of all possible classes that “make sense” for an embedded YouTube video? In particular, I’m thinking about some very simple things such as… defining a different size!
URL of the Page with the Issue
https://wordpress.org/documentation/article/youtube-embed/
Originally reported by
https://profiles.wordpress.org/gwynethllewelyn/
Report content (issue description)
Section of Page with the issue
Why is this a problem?
Suggested Fix