Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
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Last updated
Sun, 29-May-2022
CSS is used to define styles for your web pages, including the design, layout and variations in display for different devices and screen sizes.
Sometimes the CSS code is written directly into the HTML. This is called an internal style sheet. The code is written between the <head> and </head> tags using the <style> tag.
A CSS framework is a library allowing for easier, more standards-compliant web design using the Cascading Style Sheets language. Most of these frameworks contain at least a grid. More functional frameworks also come with more features and additional JavaScript based functions, but are mostly design oriented and focused around interactive UI patterns. This detail differentiates CSS frameworks from other JavaScript frameworks.
Two notable and widely used examples are Bootstrap and Foundation.
CSS frameworks offer different modules and tools:
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