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Element-based RWD with Container Queries - DEMOs
Container queries (a.ka. element queries) are an intriguing expansion on responsive web design. This is a collection of polyfills which aim to show how CQs can be used to modify the design of a web page based on the constraints of an element instead of the width of the viewport. Learn more about CQ/EQ from my talk at CSS Dev Conf: http://zastrow.co/speaking/css-dev-conf-2015/