button.is-audio-playing,
button.is-audio-loading {
  background: #176958 !important;
  color: #fff !important;
  border-color: #176958 !important;
  opacity: 1;
}
.is-audio-playing .icon {
  animation: fs-audio-pulse 1.2s ease-in-out infinite;
}
.is-audio-loading .icon {
  animation: fs-audio-pulse 0.65s ease-in-out infinite;
}
.audio-state-label {
  white-space: nowrap;
}
@keyframes fs-audio-pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.88);
  }
}
@media (prefers-reduced-motion: reduce) {
  .is-audio-playing .icon,
  .is-audio-loading .icon {
    animation: none;
  }
}