Web devopment terms:
This page will tell you briefly about the web devopment languages that can be used or has been in used.

HTML (the Hypertext Markup Language):
Some reference about this languages which you can take a look and get same exprience

CSS (Cascading Style Sheets):
Some reference about this languages which you can take a look and get same exprience

Reference
Some reference about this languages which you can take a look and get same exprience