Businesses are greatly influenced by their environment. All the situational factors which determine day to day circumstances impact firms. So, businesses must constantly analyze the trade environment and the market. There are many strategic analysis tools that a firm can use, but some are more common.
CSS is a style language that defines layout of HTML documents. For example, CSS covers fonts, colours, margins, lines, height, width, background images, advanced positions and many other things. Just wait and see! HTML can be (mis-)used to add layout to websites.
CSS is used to style Web pages. But there is more to it than that. CSS is used to style XHTML and XML markup. This means that anywhere you have XML markup (including XHTML) you can use CSS to define how it will look. CSS is also used to define how Web pages should look when viewed in other media than a Web browser.