.fx-ribbons{
  position:fixed;
  left:0;
  top:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:999999;
}
.fx-ribbon-svg{
  position:absolute;
  transform-origin:50% 0%;
  filter:drop-shadow(0 2px 2px rgba(0,0,0,.25));
  animation:fx-ribbon-sway ease-in-out infinite;
}
@keyframes fx-ribbon-sway{
  0%{transform:rotate(-2deg)}
  50%{transform:rotate(2.5deg)}
  100%{transform:rotate(-2deg)}
}