.frm{top:-.17em;right:-.17em;bottom:-.17em;left:-.17em;filter:brightness(1.3)drop-shadow(0 0 .2px)url(#edgeClean)}
.frm:before,.frm:after{border-width:.3em}
.frm:before{border-image:url(../mask/frm16.svg)53;filter:brightness(0)invert(1)url(#button)}
.frm:after{border-image:url(../mask/frm16.png)53;filter:brightness(0)url(#button)}