@keyframes pulse {
  0% {
    box-shadow: 0 0 0px rgba(255, 144, 144, 0.5);
  }

  50% {
    box-shadow: 0 0 10px rgb(255, 63, 82);
  }
  100% {
    box-shadow: 0 0 0px rgb(170, 2, 18);
  }
}

.pulse-danger {
  animation: pulse 1s infinite;
  padding: 0.25rem 0.5rem;
  font-size: 10px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}