HTML and CSS use a box model, which means that page elements include margins, padding, background colors and, optionally, decorative borders. Open your HTML Web page in a text editor such as Notepad.

Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

Although the CSS Working Group has taken a fair amount of flack from the development community over the years, ... Complex Web Layouts Made Easy With New CSS3 ‘Flexible Box Model ...