Lesson 1: What is CSS?

Perhaps you've already heard about CSS, but do not know what it is ? In this lesson you will learn what CSS is and what it can do for you.
CSS is an acronym for Cascading Style Sheets / Cascading Style Sheets .
What you can do with CSS?

CSS is a style language that defines layout of HTML- documents. For example , CSS covers fonts , colors, margins , lines, height , width, background images , positions and many other things. Just wait and see !
HTML can be (mis ) used to design web- sites. But CSS offers more options and is more accurate and sophisticated . CSS, to date, supported by all browsers (Viewer ) .
After only a few lessons of this tutorial , you can create your own style sheets using CSS to give your web- site a magnificent view .
What is the difference between CSS and HTML?

HTML is used to structure content . CSS is used for formatting structured content.
I agree, it sounds a bit arcane . But please read on. Soon all will become clear.
Long ago, when Madonna was a virgin and a guy named Tim Berners Lee invented the World Wide Web, HTML is only used to a structured text . Author could mark the text : "This is - the title " or "it - paragraph" using HTML- tags , such as <h1> and <p>.
With the development of Web designers started looking online formatting documents. To meet this demand, the browser vendors (then - Netscape and Microsoft) invented new HTML- tags , such as <font>, which differed from the original HTML- tags by defining layout , not the structure .
It also led to the fact that the original structure tags such as <table>, have become increasingly used for layout instead of structuring the text. Many new tags such as <blink>, only supported by one browser. " You need browser X to view this page" - this became a common disclaimer on the web- sites.
CSS was designed to remedy this situation by providing a web- designers to accurately design , supported by all browsers . At the same time there was the separation of presentation and content of the document , which greatly simplified the work .
What benefits will give me a CSS?

The emergence of CSS was a revolution in the world of web-design . Specific Benefits of CSS:
control layout of many documents from one single style sheet ;
more precise control over the layout;
different views for different media ( screen printing, etc.) ;
complex and sophisticated equipment design.