Chapter 1, CSS Foundations, covers the fundamental concepts necessary to master CSS.

Chapter 2, Ramping Up, talks about the Sublime text editor; CSS reset, which resets the default styles in the browser; and descendant selectors.

Chapter 3, Creating a Page Layout with Floats, deep dives into floats. We'll cover the basic usage of floats, followed by creating the layout with floats, and understanding the common headaches caused by floats and how to solve for them .

Chapter 4, Creating Buttons with Modular, Reusable CSS Classes, and CSS3, covers modular CSS and multiple classes, and uses CSS3 to add transitions, hover states, transforms, and gradients to our buttons.

Chapter 5, Creating the Main Navigation and Drop-Down Menu, explains the functionality and presentation of our primary navigation.

Chapter 6, Becoming Responsive, covers the foundations of responsive web design and explains how to implement it to transform our static website into a mobile website.

Chapter 7, Web Fonts, discusses the basic syntax of the @font-face rule, font services, usage scenarios, and providers of web fonts and icon fonts.

Chapter 8, Workflow for HiDPI Devices, covers techniques for preparing images to account for Retina using SVG and techniques like the srcset attribute.

Chapter 9, Flexbox, Part 1, introduces the Flexbox module covering the basic implementation and properties.

Chapter 10, Flexbox, Part 2, covers more depth on Flexbox, building a new product listing and more advanced properties.

Chapter 11, Wrapping Up, wraps up the concepts of CSS that we covered in this book and provides some information on other CSS features that you can explore.