JavaScript

• Learning JavaScript: JavaScript Essentials for Modern Application Development
• Eloquent Javascript, 3rd Edition: A Modern Introduction to Programming

CSS

• CSS: The Definitive Guide: Visual Presentation for the Web 4th Edition - by Eric A. Meyer, Estelle Weyl
• CSS Secrets: Better Solutions to Everyday Web Design Problems 1st Edition - by Lea Verou
• Responsive Web Design - BY JEREMY KEITH: https://abookapart.com/products/responsive-web-design