Collapsible Toggle Shortcode
Adds a [toggle] shortcode that hides text behind a clickable title, built on the native details element so it works without JavaScript.
Snippet Library
Content snippets for WordPress
Snippets that add to or change your posts and pages: reading time, author boxes, “last updated” notes, content after the post or after a paragraph, and excerpt tweaks. For bloggers, publishers and anyone who wants richer posts without editing theme files.