Bootstrap
twbs/bootstrapThe classic HTML, CSS and JS framework for responsive sites
PersonalEnterpriseWeb frameworksDesign & creativeWebLibrary / SDKPermissive
About
A front-end toolkit with a responsive grid, ready-made components and utility classes for building mobile-first websites quickly.
From the repository: “The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.”
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