Mar
Understanding CSS (Cascading Style Sheets)
Filed Under (CSS Design) by Husein Yuseinov on 01-03-2009
Tagged Under : css, Web Design
In the field of Information Technology, wonders never cease to happen. One of these innovative inventions is that of CSS or Cascading Style Sheet as it is formally known. Put very simply, Cascading Style Sheet can be understood to be a form of Stylesheet Language. The elementary purpose of a stylesheet language is to help the user in designing and deciding the appearance and format of any document that has been written using a markup language. In other words, a stylesheet language helps the user to format the visual presentation of a document in such a way that it meets the needs and demands of the market. The Cascading Style Sheet language is most commonly used for the purpose of designing HTML and XHTML web pages.
Using CSS allows the user to clearly demarcate between the structural and content aspects of any document. That is, it allows for highlighting the individual roles of both the subject matter of a document and the presentational aspects such as the format, the layout, the graphics, and the color scheme and so on and so forth.
While Stylesheets have been in use for a long time now, dating back to the period of the 1970s, the development and use of CSS has been conducted with the primary aim of lending an element of uniformity and consistency to the field of web document designing.
Making use of Cascading Style Sheets in document formatting is a relatively easy process, requiring only some elementary introduction to the topic and some guidelines and instructions. This is because the Cascading Style Sheets language has been designed using a simple and easy to understand syntax which incorporates a plethora of words in the English language, thus making it easy for the user to understand the programs.
There are a number of advantages of using Cascading Style Sheets, all of which have contributed towards making the styling language and extremely popular one.
The most notable advantage invariably is the one regarding the high levels of flexibility that are offered with using Cascading Style Sheets. While the conventional Content Management System (CMS) allows for structured work processing, CSS bring a level of flexibility, which enables the user to decide upon page layouts and styling. The user simply chooses a particular formatting element, while the joint working of the Content Management System and the Cascading Style Sheets incorporates the choice into the buildup of the web page in accordance with certain decrees and guidelines.
The next advantage of using CSS lies in the fact that it allows for uniformity in the structural elements of all related site pages. In other words, whenever a change or adjustment needs to be affected in more than one web page, it can easily be established in all the related web pages as well simultaneously, without having to manually edit each individual page. This is possible with the use of global style sheets which form the basic blueprint for all the web pages under one related theme. Editing the guidelines or structural elements in this global stylesheet will immediately serve to incorporate the same changes into all the subsidiary web pages that are working in accordance with the stylesheets.
Flexibility within the bandwidth can also be made possible with the use of Cascading Style Sheets. The bandwidth often changes by many processes running in the system, and more often than not we notice retardation in the bandwidth speed as a result of the burden on the system. While using CSS, we see that this problem is effectively combated. A single browser cache is used for containing the stylesheet and this stylesheet can then be used on an unlimited number of web pages for making any changes. This prevents the need for continuously using a new stylesheet every time an alteration is to be affected. As a result, all changes can be effected without multiple reloading. This is an advantageous proposition because it helps in decreasing the amount of data being transferred in a network and it also helps to raise the level of download speeds, hence leading to judicious use of bandwidth.
We are going to give you some advanced tips of using CSS with the next coming articles.



