#frame{width:500px;height:500px;background:url(../mask/corner8a.svg)0 0,url(../mask/corner8b.svg)100% 0,url(../mask/corner8c.svg)100% 100%,url(../mask/corner8d.svg)0 100%;background-repeat:no-repeat}
.frm{top:-.2em;right:-.22em;bottom:-.2em;left:-.22em;filter:hue-rotate(90deg)}
.frm:after{
border-image:-moz-element(#frame)100/.35em;
border-image:element(#frame)100/.35em;
filter:brightness(.7)url(#lightF4)url(#edgeClean)
}