Metro 4 is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with responsive grid system, extensive prebuilt components, and powerful plugins.
Build responsive, mobile-first projects on the web with the first front-end component library in Metro Style and not only.
Metro 4 includes various styles for changing the appearance of html elements.
More than 70 components are available to you to solve almost all tasks.
Various built-in tool functions and classes will increase your productivity.
Rapid response to detected bugs and their elimination.
Detailed description of all elements of the Metro 4 library.
Get additional help from the community on the Metro 4 forum.
When using Metro 4 in a large project, core to your project or company, you want to be assured that Metro 4 and its extensions will be actively maintained with enhanced features being added to the core library, new extensions developed. Any issues that are found being resolved quickly and efficiently, if a project has financial support.
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