This document provides an introduction to basic HTML and CSS elements for building web pages. It begins with an overview of the document structure, including the <html>, <head>, <title>, and <body> tags. It then covers common page elements like headings, paragraphs, lists, links, and images. The document progresses to explaining how to style elements with fonts, colors, backgrounds and more using inline CSS styles. Later it introduces external CSS files, IDs and classes, and properties like margins, padding, borders. Exercises are included throughout to help learn and practice the concepts. The goal is to teach the reader enough to build their own basic profile page using HTML and CSS.