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Rapidly build modern websites without ever leaving your HTML

Instead, the CSS code is used within the HTML code to alter a single element. Responsive web design means the CSS uses flexible layouts, images and other techniques to style the page automatically for various screen sizes. A thistle background color and paragraphs with 20 point, medium blue font will now be applied to what is css this single page. CSS style definitions are saved in external CSS files so it is possible to change the entire website by changing just one file. In short, with CSS features you don’t need to repeatedly describe how individual elements look. This saves time, shortens the code, and makes it not as prone to errors.

css what is it

To select the element from a particular class, we use (.) followed by the class name. The above piece of code would make the whole webpage background color grey. CSS is designed primarily to enable the separation of the document content and document format. As a result, we can improve content accessibility, can similarly format two or more documents. CSS not only makes web pages easy on the eye, it also allows for user-friendly formatting.

Want to Learn CSS?

As a pre-requisite, if you don’t know anything about Web Development, I recommend you to understand HTML first. CSS declaration always ends with a semicolon, and declaration blocks are surrounded by curly braces. There is no way to name a CSS rule, which would allow (for example) client-side scripts to refer to the rule even if its selector changes.

Is the declaration, and again, “p” (meaning the HTML paragraph) is the selector. These same basic principles can be applied to change font sizes, background colors, margin indentations, and more on your web page by choosing the specific selector. Properties are things like font size, color, and margins, while values are the settings for those properties, and you can change these by applying changes to the selector.

How Myspace, Neopets & The Internet of the Aughts Taught Millennials to Code

It is a style sheet language which is used to describe the look and formatting of a document written in markup language. It is generally used with HTML to change the style of web pages and user interfaces. It can also be used with any kind of XML documents including plain XML, SVG and XUL. Here’s where the “cascading” part of cascading style sheets comes into play.