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.
A responsive web design uses the same content to create a web page that works whether you view it at 5120 pixels wide or 320 pixels wide. The different-sized pages look different, but they contain the same content. With the media query in CSS3, each receiving device answers the query with its size, and the style sheet adjusts to that particular size.