CSS plays vital role in web designing. It's necessary to change your website look and by using some features like imager properties, color and many like that. CSS is easy to learn you don't need any extra programming knowledge. CSS is very much useful for small business owners they can make their own small website having basic functionality with the use of CSS. You can quickly design different websites with different designs, and you don't need to go by complicated editing process of HTML code for different website. With CSS design it's easy to change design of website quickly. With CSS you can display your website exactly as you imagined with all details. You can use any designing software like Photoshop with CSS which will add endless array of possibilities for your design. And as a web designer you have total control of your project.

CSS means Cascading Style Sheets. CSS controls all font styles and placement for all pages of website. It reduces pages size and also helps to load page fast. We add all control codes in CSS file so it reduce HTML codes and which helps search engine robots to read page fast and this way it increase search engine rank also.That why CSS is necessary to learn...
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I many web developers face a problem while developing a website, in colors, tables and other icons all these can be changed or edit accordingly using CSS hence CSS is one of the important programming languages for website development it's a must for a web developers.