.request-loader {
  position: relative;
  height: 150px;
  width: 150px;
  border-radius: 100%;
  background: #ffffff;
}

.request-loader > span {
  position: relative;
  font-size: 72px;
  top: 5px;
  left: -5px;
}

.request-loader::after {
  opacity: 0;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: -8px;
  left: -8px;
  right: 0;
  bottom: 0;
  content: "";
  height: 100%;
  width: 100%;
  border: 8px solid rgba(0, 0, 0, 0.2);
  border-radius: 100%;
  animation-name: ripple;
  animation-duration: 3s;
  animation-delay: 0s;
  animation-timing-function: cubic-bezier(0.65, 0, 0.34, 1);
  z-index: -1;
}

.request-loader::before {
  opacity: 0;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: -8px;
  left: -8px;
  right: 0;
  bottom: 0;
  content: "";
  height: 100%;
  width: 100%;
  border: 8px solid rgba(0, 0, 0, 0.2);
  border-radius: 100%;
  z-index: -1;
  animation-duration: 3s;
  animation-delay: 0.5s;
}

.request-loader:hover {
  background-color: red;
  animation-name: ripple;
  animation-timing-function: cubic-bezier(0.65, 0, 0.34, 1);
}

@keyframes ripple {
  from {
    opacity: 1;
    transform: scale3d(0.75, 0.75, 1);
  }

  to {
    opacity: 0;
    transform: scale3d(1.5, 1.5, 1);
  }
}