What is CSS?

: CSS is an abbreviation and stands for Cascading Style Sheet. Style sheets have been used for document design for years and CSS got his prefer usage in the world wide web to style web pages written in HTML and/or XHTML. If you want to style your web page it's the best way to use as much CSS as possible instead of using deprecated html tags or images that are not really mandatory.

Why is CSS important?

: CSS is a standard with the specifications maintained by the World Wide Web Consortium (W3C) and it is that style sheet language in the WWW. Every modern web browser supports actual css features times before they become official. It's an easy way to separate a web page's information and styling parts that brings more structure to that page. This is a benefit in a lot of ways. Search engines and other web scrapping applications can crawl your page quicker, webbrowsers can render your page easier and so your page is much more welcome in search engines and a visitor see your content faster than on other pages.

How to use CSS?

: CSS can be used in HTML in three several ways: Include CSS files using the Meta-Tags in the HTML head, define CSS using the html tag 'style' in the head and set CSS values using the attribute 'style' on any html tag in the body. The first one is the best choise. Use it every time you are able to because the page themself is much smaller than with any style tags or attributes in it. A smaller page that just provide the html structure and the content is much more welcome in search engines than a completly overloaded page with a lot of styles in it. If a web page design is styled within included css files the owner just need to replace all these css files with new ones to publish a new design instead of do some changes in the html structure.

Read all about CSS

: So you can see that CSS is a really powerful construct that help you keeping your pages clean and small as long as you use CSS in the ways you should. There are a lot of CSS tutorials and other information available on the WWW. Do not miss CSS as long as you want to have modern and good pages created by yourself. Checkout all the other pages tells you everything about CSS.