This is a collection of 11 CSS-packed chapters that are all about performance- and developer-friendly coding. In order to achieve a well-rounded coding experience, the authors have explored the complexity of CSS from different perspectives, balancing rather specific hands-on tips and more general coding best practices. Among other hot topics, this book covers how to design layouts with Flexbox, Atomic Design with Sass, and looks at the most common CSS issues. Experimental techniques such as the "Clown Car Technique" provide innovative approaches to new challenges, and an insight into the BEM methodology helps to improve the overall quality of front-end code. To simplify your daily coding routine, valuable tricks on how to structure and style your code have also been included in this book. -- Edited summary from book.