Node.js is a platform for easily building fast, scalable network applications. We will explore the design choices that make Node.js unique, how this changes the way applications are built and how systems of applications work most effectively in this model.
HTML and CSS (Cascading Style Sheets) are two of the core technologies for building Web pages. HTML provides the structure of the page, CSS the (visual and aural) layout, for a variety of devices. Along with graphics and scripting, HTML and CSS are the basis of building Web pages and Web Applications.