This document provides an introduction to HTML and CSS. It discusses that HTML is the standard markup language used to create web pages, created in 1993 by Tim Berners-Lee. It also mentions that CSS was first proposed in 1994 and launched in 1996, and is used to style and lay out HTML elements. The document lists some free online resources for learning HTML and CSS and provides contact details for the Google Developer Student Club at BCE Patna for additional support.