Have you ever wondered what makes your favorite website look unique? Did you notice the layout , how the buttons react to touch when you clicked them, Have you ever tell yourself “I wish I can do that” or “how complicated will this thing be ”
All of those things you are seeing are front end development. How a website look is web design, font end development is how the design is used on the web.
Front end framework
Preprocessors are other element that can speed up CSS coding. A preprocessor add special functionality to CSS to keep the program easier to work with. This processors process your code before the website is published and it turns in to a well formatted and user friendly interface. SASS is among the most demanded preprocessors.