Test Video(7 minutes 39 seconds) https://wpdev.gwg.us/wp-content/uploads/2019/06/gov.ntis_.ava18185vnb1_512kb.mp4
Bookmarked Using details tags for HTML-only UI toggles by Jamie Tanna (jvt.me) How using the ` ` HTML tag can provide a toggleable UI element with only built-in HTML.