<bindings xmlns="http://www.mozilla.org/xbl"> <binding id="lime"> <resources> <!-- don't need <svg> - only used to eliminate its omission as a problem --> <svg xmlns="http://www.w3.org/2000/svg"> <linearGradient xmlns="http://www.w3.org/2000/svg" id="grad" gradientUnits="userSpaceOnUse"> <stop stop-color="lime"/> </linearGradient> </svg> </resources> <content> <children/> <rect xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" fill="url(#grad)"/> </content> </binding> </bindings>