About the Author

Alex Libby's background is in IT support—he has been involved in supporting end users for almost 20 years in a variety of different environments; a recent change in role now sees Alex working as an MVT test developer for a global distributor based in the UK. Although Alex gets to play with different technologies in his day job, his first true love has always been the open source movement, and in particular, experimenting with CSS/CSS3, jQuery, and HTML5. To date, Alex has written 10 books on subjects such as jQuery, HTML5 video, SASS, and CSS for Packt and has reviewed several more—Mastering PostCSS Web Design is Alex's eleventh book for Packt.

I would like to thank my family and friends for their support throughout the process and the reviewers for their valued comments; this book wouldn't be what it is without them! I would also particularly like to thank Andrey Sitnik for his work in producing PostCSS and being really helpful and patient in answering questions about some of its more complex parts. My grateful thanks also to Ernie Salazar from NPM, who helped with issues with publishing the plugins created for this book, and David Clark for his assistance with getting me back on track with the postcss-bem-linter plugin, also used in the book. Thank you all—I couldn't have finished the book without your help!