<div class="radikalwp-ld-ping"><span><//span><span><//span><i><//i><//div>

.radikalwp-ld-ping { position: relative; width: 48px; height: 48px; }
.radikalwp-ld-ping i {
  position: absolute;
  inset: 16px;
  background: #ef4444;
  border-radius: 50%;
}
.radikalwp-ld-ping span {
  position: absolute;
  inset: 0;
  border: 2.5px solid #ef4444;
  border-radius: 50%;
  animation: radikalwp-ping-go 1.7s cubic-bezier(0, .4, .6, 1) infinite;
}
.radikalwp-ld-ping span:nth-child(2) { animation-delay: .55s; }
@keyframes radikalwp-ping-go {
  from { transform: scale(.4); opacity: 1; }
  to { transform: scale(1.25); opacity: 0; }
}