Invalid Property value in Safari but working in Chrome

I'm getting an invalid property value on my image in Safari for the following:\[code\]sidebar-first{ padding-left:10px; background: url(images/[email protected]) no-repeat scroll 2px 6px / 5px 9px transparent; -moz-background-size:5px 9px; -ie-background-size:5px 9px; -o-background-size:4px 9px; -webkit-background-size:5px 9px; background-size:5px 9px;}\[/code\]It works fine in Chrome and all others so not sure what the issue is can anyone else see it?Cheers.
 
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