Назначение в css атрибутов svg не работает в Firefox

path

{
  fill: url(#bgr);
}

#myImg
{
 x: -10;
 y: -10; 
}

<div class="add">
                                                                 
                                                <svg version="1.0" id="sloy" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" rect x="0px" y="0px"
	 viewBox="0 0 1000 900" width=900 height=600>
<g>
   <defs>
      <pattern id="bgr" patternUnits="userSpaceOnUse" width="100" height="100">
      
      <image id="myImg"  href="http://img-fotki.yandex.ru/get/6447/5091629.86/0_74298_17a84446_L.jpg"></image> 
    
      </pattern>
    </defs>
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</svg>
</div>
</div>
</div>