#persp{
  filter:url(#clone1)
}
.tpl{
  background-color:#fff;
  border:solid 1px #ccc;
  backface-visibility:hidden;
  margin:0 1em;
  filter:drop-shadow(3px 3px 2px rgba(0,0,0,.3))
}
.tpl:nth-child(-n+3){
  display:block
}
.tpl:nth-child(2){
  left:.5em;top:.2em;transform:rotate(-6deg)
}
.tpl:nth-child(3){
  left:.1em;transform:rotate(12deg)
}
.tpl:before{
  background-image:linear-gradient(#ccc,#000)
}
.tpl:before,.tpl p:before{
  height:55%;overflow:hidden
}
.tpl p:before{
  color:#fff;
  z-index:3;
  filter:drop-shadow(0 0 #000)drop-shadow(0 0 #000)drop-shadow(0 0 #000)drop-shadow(0 0 #000)
}