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feature: masks status: caution tags: none kind: css polyfillurls:

For several years, CSS Masks were a WebKit exclusive. However, they have recently been resuscitated, with the W3C recently publishing a new Masks Working Draft. SVG-based fallbacks do not work in IE 10, so it is premature to use this feature in production.

If you do use it, be sure to include the -webkit- prefix.