.placeholder {
  background-color: currentColor;
  opacity: $placeholder-opacity-max-alt;
}

@keyframes placeholder-glow {
  50% {
    opacity: $placeholder-opacity-min-alt;
  }
}

.placeholder-wave {
  mask-image: linear-gradient(130deg, $white-alt 55%, rgba(255, 255, 255, (1 - $placeholder-opacity-min-alt)) 75%, $white-alt 95%);
}