In my web development class, I'm learning how HTML, CSS, JS work together inside a dynamic website to create magic.
Or maybe it's magic to begin with and the division into categories of HTML, CSS, JS is merely how our human mind grasps it.
https://fonts.google.com/
http://lorempixel.com/
https://css-tricks.com/design-considerations-text-images/
@media queries are the bomb.