@keyframes flash {
  0%,100%,50% {
    opacity:1;
  }
  25%,75%
  {
    opacity:0;
  }
}
.faa-flash.animated,
.faa-flash.animated-hover:hover,
.faa-parent.animated-hover:hover > .faa-flash {
  animation: flash 2s ease infinite;
}
.faa-flash.animated.faa-fast,
.faa-flash.animated-hover.faa-fast:hover,
.faa-parent.animated-hover:hover > .faa-flash.faa-fast {
  animation: flash 1s ease infinite;
}
.faa-flash.animated.faa-slow,
.faa-flash.animated-hover.faa-slow:hover,
.faa-parent.animated-hover:hover > .faa-flash.faa-slow {
  animation: flash 3s ease infinite;
}