CSS (Cascading Style Sheets) is the language that defines the visual appearance of a webpage. While HTML provides the structure and content, CSS controls how it looks: from colors and fonts to complex page layouts. Learning CSS empowers you to transform a simple HTML document into an engaging user experience, guiding how information is presented and perceived by visitors.

CSS is a stylesheet language that describes how HTML elements should be displayed. It separates presentation from structure, allowing you to maintain cleaner code and easily apply consistent styles across multiple pages.

• Consistency: Apply a single stylesheet to multiple pages for a uniform look.
• Maintainability: Update layout or design in one place rather than editing each page individually.
• Responsiveness: Adjust styles for different screen sizes, ensuring a good user experience on all devices.

CSS started as a simple way to separate design from HTML. Over time, it has evolved to include advanced features such as animations, flexible layouts, and powerful selectors, enabling developers to create dynamic, responsive designs that adapt to various screen sizes and devices.

• CSS defines how HTML content is displayed and interacted with visually.
• By separating structure (HTML) from style (CSS), websites become easier to manage and scale.
• Modern CSS techniques allow for responsive, visually appealing, and engaging web designs.