.so-sound-button {
  display: inline-flex;
  width: var(--so-sound-width, 140px);
  max-width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  line-height: 0;
  cursor: pointer;
  opacity: 0;
  transform: translate3d(0, var(--so-sound-start-y, -3px), 0);
  will-change: opacity, transform;
  transition:
    opacity 0.5s ease-out,
    transform 0.55s cubic-bezier(.22, 1, .36, 1);
}

.so-sound-button.is-loaded {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

.so-sound-button img {
  display: block;
  width: 100%;
  height: auto;
}

.so-sound-button:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .so-sound-button {
    transform: none;
    transition: none;
  }
}