@keyframes loader-fade {
  0% {
    opacity: 0;
  }

  75% {
    opacity: 1;
  }
}

.dot {
  opacity: 0;
  animation: loader-fade 1s;
  animation-iteration-count: infinite;

  &:nth-child(2) {
    animation-delay: 0.2s;
  }

  &:nth-child(3) {
    animation-delay: 0.4s;
  }
}