Awesome GitHub RepositoriesCSS At-Rule Detectors

Modernizr is a browser feature detection library that determines which web technologies are supported by a user's browser by executing small snippets of code to verify actual capabilities. By avoiding reliance on unreliable user-agent strings, it provides a reliable foundation for progressive enhancement, allowing developers to build interfaces that adapt their functionality and styling based on the specific features available in the client environment. The project distinguishes itself through a configuration-driven build system that generates custom, minimized JavaScript files containing onl

Checks if the browser supports a specific CSS at-rule by passing the rule name as a string to verify compatibility.