(Have you ever wanted to create your own web pages, but you don't have enough experience? So start learning now! This book explains some important concepts and basic principles of web design, as well as the specific use methods and skills of HTML, CSS and JavaScript. After reading this book, you will master the skills of creating multi column pages for mobile devices.Web front end engineer training (4th edition of the original book) will help you learn how to use the latest technologies, best practices and today's web standards, including HTML5 and CSS3. Each chapter provides exercises and quizzes to help you understand different technologies and enhance your understanding of important concepts.)