body{
  background:#CCc;
}
.w{
  overflow:hidden;
  width:300px;
  height:300px;
  position:relative;
  border-radius: 50%;
}
.w:hover{
  
}
.w img{
  position: relative;
  top:0; left:0;
  z-index: -2;
}
.w img.snowball{
  z-index:9999;
  top:0;
  max-width:100%;
  max-height:100%;
  position:absolute;
  z-index: 1;
}
.w canvas{
  width:100%;
  height:100%;
  border-radius:50%;
  top:0;
  left:0;
  position:absolute;
  z-index: -1;
}


@media only screen and (max-width: 767px) {




}