Emulating background image crop, background image opacity, background transforms, and improved background positioning. A few hacks relying on CSS pseudo-elements to emulate features unavailable or not yet widely supported by modern browsers…
Using CSS 2.1 pseudo-elements to provide up to 3 background canvases, 2 fixed-size presentational images, and multiple complex borders for a single HTML element. This method of progressive enhancement works for all browsers that support CSS 2.1 pseudo-elements and their positioning. No CSS3 support required…
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