jQuery 3.2.1, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
https://stackoverflow.com/questions/64106803/javascript-interfering-with-css-transition#comment113363126_64106803
https://www.instagram.com/p/CFWZIi7l_XO/
https://stackoverflow.com/questions/63868817/how-can-i-make-h2-style-text-be-two-colors-on-tumblr/63886725#63886725