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CSS

Cascading Style Sheets

MIME type: text/css

CSS files define the visual presentation of HTML documents - colors, fonts, layouts, animations, and responsive design. CSS is one of the three core technologies of the web alongside HTML and JavaScript.

Advantages

+Separates content from presentation
+Responsive design with media queries
+Animations and transitions
+Reusable across pages

Limitations

-Specificity conflicts can be confusing
-Browser inconsistencies (less common now)
-No variables in older CSS (use custom properties)
-Can be hard to maintain at scale

Common Use Cases

Website styling and themingResponsive/mobile layoutsAnimations and transitionsPrint stylesheetsEmail templates

Technical Details

CSS3 is the current standard with modules for flexbox, grid, custom properties (variables), transitions, animations, and more. CSS uses selectors to target HTML elements and apply declarations (property-value pairs). Specificity determines which rules take precedence.

Frequently Asked Questions

What is a CSS file?

A CSS file defines the visual style of a website - colors, fonts, spacing, layouts, and animations. It's linked to HTML files to control how web pages look.

Related Tools

Css Minifier Css Gradient Generator

Related Formats

HTML JS SCSS

Compare CSS with...

CSS vs HTML CSS vs JS CSS vs SCSS