css stands for cascading style sheets and these are used in sync with the the
html file. They define the main feature of fonts , images and the parameters
related to them.These parameters can be in the form of height,width and
padding. In contrast to simple css there is a css3 which deals with certain tags
which are not usually found in css.These tags are such,that they make the user
experience more wonderful.The tags like transaction and transformations play a
major role in it.