How to make Google Rich Snippets with drop down collapse

how to make Seo rich snippets, simple drop down rich snippets, collapse rich snippets using bootstrap and html, in this video i am going to teach how to make simple rich snippet, just copy my code and paste it in you text editor it works, in the start of video i add some bootstrap CDN link, put it in head tag then do code which i did it to making simple rich snippets and please subscribe my channel i am very thankful for this.
-------------------------------------Subscribe my channel-----------------------
https://www.youtube.com/channel/UCdSyWpr0f7FCoB2PuuofTWQ?sub_confirmation=1
-------------------------------------Add Links in head tag----------------------- href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"
src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"
src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"
src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"

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Видео How to make Google Rich Snippets with drop down collapse канала Miz Developer's