.footer-fixed a .circle {
  height: 70px;
  position: relative;
  width: 70px;
}

a .circle .pulse {
  background-color: #ff4403;
  border-radius: 50%;
  height: 100%;
  left: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  width: 100%;
}

.footer-fixed a .circle .icons {
  align-items: center;
  border-radius: 50%;
  display: flex;
  font-size: 2rem;
  justify-content: center;
  position: relative;
}

.footer-fixed a .circle .pulse span {
  animation: pulseAnimate 3s ease-out infinite;
  animation-delay: calc(1s * var(--i));
  background: inherit;
  border-radius: inherit;
  height: 100%;
  left: 0;
  opacity: 0.8;
  position: absolute;
  top: 0;
  width: 100%;
}

@keyframes pulseAnimate {
  100% {
    opacity: 0;
    transform: scale(2);
  }
}