.spinner {
  display: inline-flex;
  align-items: center;
  gap: var(--gap);
}

.dot {
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: var(--bg);
  opacity: var(--low);
  transform: scale(1);
  animation: dot-blink var(--speed) ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes dot-blink {
  0%, 80%, 100% {
    opacity: var(--low);
    transform: scale(1);
  }
  40% {
    opacity: 1;
    transform: scale(var(--scale));
  }
}