.spinner{
  width: 32px;
  height: 32px;
  background: radial-gradient(circle, rgba(190,242,251,1) 0%, rgba(223,247,251,0.3) 30%, rgba(255,255,255,0) 100%);
  border-radius: 50%;
  position: relative;
  margin: 16px;
  display: flex;
  z-index: 100;
    }
  .spinner:after, .spinner:before {
  
    content: '';
    display: block;
    width: 32px;
    height: 32px;
    border-radius: 50%;
  }


  
   
.spinner-4:before, .spinner-4:after {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -16px;
    margin-left: -16px;
    background: red;
    animation: pulse 3s linear infinite;
    opacity: 0;
    }
    
.spinner-4:after {
    animation: pulse 1.5s linear 2.0s infinite;
    }
@keyframes pulse {
  0% {
    transform: scale(0);
    opacity: 0.6;}
  100% {
    transform: scale(1.5);
    opacity: 0;}
    }