CSS was originally developed by the W3C as a recommendation in Dec 1996. It is just a language that allows developers to separate presentation by content also to provide greater flexibility in defining presentation characteristics. Consequently the same CSS file can be taken to style and format a variety of web pages at the same time. This allows an online site to load quicker.
The CSS specification information the process of cascading style sheets. It will be possible to establish styles in multiple methods, such as in-line or external. In the latter case, multiple styles is going to end up being combined into one virtual Design Sheet. Moreover, CSS rules are measured based on importance, so that the design rule with a higher weight will replace a conflicting style procedure. The procedure for cascading down weights is normally complex.
CSS helps build a consistent look across a variety of web pages. Playing also makes it easy to change styles upon several web pages at once. You can define common styles in one CSS file, and these styles are used on every of the pages.