I studied HTML and CSS and now understand a little about how websites work

We look at websites every day without thinking about them, but“How is the color and shape of this button decided?”“Who ...
TES

HTML, CSS, JavaScript for Beginners – 8 Animated Lessons (English version, Greek subtitles)

Make web development engaging, visual and accessible for young learners! This complete 8-unit introductory course takes students step by step from the basics of HTML to CSS and finally to JavaScript, ...
Hackaday

Minecraft Clone Manages With Nothing But HTML + CSS

Can a 3D Minecraft implementation be done entirely in CSS and HTML, without a single line of JavaScript in sight? The answer is yes! True, this small clone is limited to playing with blocks in a world ...