This text-based tutorial is intended for people who learn fast through a combination of reading and images — it’s possible to learn HTML and CSS foundations in 15 minutes through this tutorial.

Learning HTML and CSS, or hypertext markup language and cascading style sheets, respectively, is a good way to unlock opportunities in tech and nontech industries. Mastering these languages can ...

This principle asserts that deeper learning occurs from words and pictures than from just words. Simply adding images or graphics to words does not assure a deeper level of learning, however.