css

CSS stands for Cascading Style Sheets
Styles define how to display HTML elements

css is style shetes telling how the html should be displayed it allows developers to control the stlye and layout of multiple web pages all at once
web developers can apply it to as many web pages as they want to make a global change.

netscape and internet explorer were having problems with html where it was difficult to create websites were content of html was clearly seperated from the document thats why they created stlyes for standerizing html