.down-arrow {
  position: absolute;
  bottom: 30%;
  left: 50%;
  transform: translate(-50%,-30%);
}

@media (max-width: 991px) {
  .down-arrow {
    bottom: 15%;
    transform: translate(-50%,-15%);
  }
}

.down-arrow span {
  display: block;
  width: 20px;
  height: 20px;
  border-bottom: 5px solid var(--bs-primary);
  border-right: 5px solid var(--bs-primary);
  transform: rotate(45deg);
  margin: -5px;
  animation: animate 2s infinite;
}

.down-arrow span:nth-child(2) {
  animation-delay: -0.2s;
}

.down-arrow span:nth-child(3) {
  animation-delay: -0.4s;
}

@keyframes animate {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-15px,-15px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(15px,15px);
  }
}