CSS Introduction

CSS Introduction — Learn what CSS is, how it works, and how to start styling web pages. The guide walks through What is CSS?, How CSS Works, CSS Syntax, Adding CSS to HTML, CSS Selectors Overview, Practical Example. CSS (Cascading Style Sheets) is a stylesheet language used to describe the presentation of a document written in HTML or XML. CSS controls the layout, colors, fonts, and overall visual appearance of web pages. CSS separates content from presentation, allowing developers to define styles once and apply them across multiple pages. This separation makes websites easier to maintain and update.… When a browser loads a web page, it follows these steps: 1. Parse HTML: The browser reads the HTML document and builds the DOM (Document Object Model) 2. Parse CSS: The browser loads and parses CSS files, building the CSSOM (CSS Object Model) 3. Render Tree Construction: The DOM and CSSOM are combined into a render tree 4. Layout: The…