CSS was originally produced by the W3C as a suggestion in January 1996. It is just a language that enables developers to split up presentation coming from content and provide better flexibility in defining production characteristics. It means that the same CSS file may be applied to style and format a lot of web pages at once. This allows a site to load faster.
The CSS specification information the process of cascading style sheets. It is possible to stipulate styles in multiple techniques, such as inline or external. In the last mentioned case, multiple styles should become combined as one virtual Design Sheet. In addition, CSS guidelines are weighted based on importance, so that the design rule that has a higher weight will change a conflicting style secret. The criteria for cascading down weights is usually complex.
CSS helps build a consistent look across several web pages. It also makes it easy to change styles in several internet pages at once. You are able to define common styles in one CSS file, and these types of styles will then be used on every in the pages.