css -webkit-filter for firefox & IE

Hi

Well as im still playing with my new design for my store i found out that webkit filters only work in Chrome :(

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-webkit-filter: brightness(80%) grayscale(100%) drop-shadow(0px 0px 4px #ddd);<br />

```<br />
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Does anyone knows workaround so that the above would work for firefox and IE as well?<br />
<br />
thanks,