CSS stands for Cascading Style Sheets. It is most widely used language in web designing. CSS hold look and feel part of web pages. It is used to design HTML tags. Using CSS we can manage text colour, font styles, paragraph spacing, columns size and layout, colours of background images, layout designs, Variations of display in different devices and size of screens.
CSS is an easy language to learn and understand. In simple, it is a mechanism of adding different styles to a web document.