{"name":"-webkit-mask-position-x","description":"Defines the x-coordinate of the position of a mask.","keywords":["css","property","-webkit-mask-position-x","webkit","mask","position","x"],"longDescription":"","syntax":["-webkit-mask-position-x: <xpos>;"],"values":{"<xpos>":{"description":"<p>The x-coordinate of the position of the mask.<\/p>"}},"versions":{"safari.4.0":"http:\/\/developer.apple.com\/library\/safari\/documentation\/AppleApplications\/Reference\/SafariCSSRef\/Articles\/StandardCSSProperties.html#\/\/apple_ref\/css\/property\/-webkit-mask-position-x"}}