.frm{top:-.13em;right:-.13em;bottom:-.13em;left:-.13em;filter:drop-shadow(1px 1px #ccc)drop-shadow(2px 2px 1px rgba(0,0,0,.3))}
.frm:after{border:solid .2em;border-image:radial-gradient(rgba(0,0,0,0)20%,#888 calc(22% + 5px),#fd0 22%,#f40,#808 68%,rgba(0,0,0,0)70%)49%}