BrowserFrame
The easiest way to wrap screenshots in browser frames. Supports multiple browsers, operating systems, and themes.
https://browserframe.com/...
good way to protect your email from bots and spammers
good article about protecting your email being placed on your site.
https://css-tricks.com/how-to-safely-share-your-email-address-on-a-website/...
Jquery isn't needed
This site i found helps convert jquery examples into current Javascript. Hope it helps!
https://youmightnotneedjquery.com/...
Some gists made that help with best practices on css units
Just some useful things on the css units that could help π
https://gist.github.com/basham/2175a16ab7c60ce8e001
https://gist.github.com/timiyay/39daca3cf2e296fdb20fe19fb6e6c6ec...
Helpful stuff for learning CSS Displays
This site https://flexboxfroggy.com/ can teach you flex and https://learncssgrid.com/ can help with grid layouts for beginners. It's been helping me so far :). You can also click at that bottom and use grid garden on the flexbox froggy page. Enjoy! π