Today we will learn what is CSS? How to learn? What is the full form of CSS? Types of CSS and How to Use CSS in Web Development?.

If you learn CSS, you can style a good website then basically you can say that CSS acts as make-up on our webpage. If you want a career in web designing or web development, then you must use CSS. I hope you have now understood the concept of CSS.

What is CSS

As we know that Cascading Style Sheets (CSS) are used for web designing. CSS was developed in 1996 by the W3C(World Wide Web Consortium). It is a style sheet language, which is used to create beautiful and attractive documents written in a markup language, including elements such as Layout, Colors, and Fonts.

CSS is a way of converting a web page into a dynamic webpage. It provides an additional feature for HTML. It is typically used with HTML to change the styling of web pages and user interfaces.

It can also be used with any XML documents, including XML, SVG, and XUL. CSS is used with HTML and JavaScript in most websites to create the user interface for web applications and user interface for many mobile applications.

What is CSS


The full form of CSS is “Cascading Style Sheet”. Cascading style sheets are used to style the layout of web pages. They can be used to design text colour, font and style, and other aspects of web pages. CSS helps web developers to make the website beautiful and attractive.


Inline Styles Sheet:

It is used in the body tag, the style attribute is defined. Next, the property and value are defined in the style attribute. This is called inline style sheet. See the example below,

<title>Inline CSS Demo</title>
<body style="background-color:red">
<p>This is inline CSS Demo</p>

Internal Style Sheet:

In the internal style sheet, you do not define the styles inside the tag. The < style> tag is defined in the head section. Next, using selectors, you define the styles. In this, HTML code and CSS code are defined in a single document.

<title>Internal Style Demo</title>
<p>This is internal style sheet</p>

External Style Sheet:

CSS is linked to any other file in the context of the external style sheet. The file is attached to the HTML file with the <link> tag. You do not need to write CSS code repeatedly from an external style sheet. You can link a single CSS file to multiple HTML files. An example of this is given below.

<title>External Style Demo</title>
<link rel="stylesheet" type="text/css" href="externalDemo.css">
<p> This is external stylesheet</p>

External Demo.css File



  • 2.2.1 CSS 1
  • 2.2.2 CSS 2
  • 2.2.3 CSS 2.1
  • 2.2.4 CSS 3
  • 2.2.5 CSS 4


CSS Animations and Transitions

In CSS, you can use animation and transitions and make your web page beautiful and attractive.

CSS Save Lots of Time

The biggest feature of CSS is that you can save a lot of time by using CSS. You may have also noticed that the website is of 2-3 pages or 1000 pages, each page is identical in look and design and you can use the same CSS file on multiple HTML pages.

Pages Load Faster

If you use CSS, you do not need to add attributes to each tag to style HTML elements. If you want to give the same style to any HTML elements, you can easily style them together in a CSS file, thus reducing your HTML code and making your web page load faster.

Easy Maintenance

As we have read above that you can use the same style sheet on multiple web pages, so if you ever want to change the design of all your web pages, you need to change some code lines in the same file. Will have to be updated, and then the design of your entire website will be updated automatically.

Multiple Device Compatibility

In the market today, responsive design is running; if your website is not responsive, then the website is not right in the user’s perspective. CSS can also allow HTML documents to be adapted for more than one type of device or media. By using CSS, you can create a very responsive design, which can be presented to your website in different styles for different types of devices such as mobile, tablet, laptop, desktop, printer, etc.


CSS is a style sheet language for design web pages, including colours, layouts, and fonts. This allows web pages to be adapted to a wide variety of devices, such as large screens, small screens, or printers. CSS is independent of HTML and can be used with any XML-based markup language.


To learn CSS, you need two things: the first is a text editor and the second is a web browser, you can use text-editors such as notepad or notepad ++ and the web You can learn CSS using browsers such as Google Chrome, Mozilla Firefox or Internet Explorer.


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