*
{
  margin:0;
  padding: 0;
  box-sizing: border-box;
}
body
{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #000; 
}
.circle
{
  position: relative;
  width: 600px;
  height: 600px;
  filter: url(#wavy) blur(1px); 
}
.circle:before
{
  content: ' ';
  position: absolute;
  top: 100px;
  left: 100px;
  right: 100px;
  bottom: 100px;
  border: 20px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 50px #0f0,
                             inset 0 0 50px #0f0;
  -webkit-box-reflect: below 10px linear-gradient(transparent,transparent,#0002);
  animation: animate 5s linear infinite;
}
.circle:after
{
  content: ' ';
  position: absolute;
  top: 100px;
  left: 100px;
  right: 100px;
  bottom: 100px;
  border: 20px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px #fff,
                             inset 0 0 20px #fff;
  }
.circle:nth-child(2):before
{
  animation-delay: -2.5s;
}
@keyframes animate
{
  0%
  {
     box-shadow: 0 0 50px #0f0,
                                inset 0 0 50px #0f0;     
    filter: hue-rotate(0deg);
  }
  20%
  {
     box-shadow: 0 0 60px #0f0,
                                inset 0 0 60px #0f0;     
  }
  40%
  {
     box-shadow: 0 0 40px #0f0,
                                inset 0 0 40px #0f0;     
  }
  60%
  {
     box-shadow: 0 0 80px #0f0,
                                inset 0 0 80px #0f0;     
  }
  80%
  {
     box-shadow: 0 0 100px #0f0,
                                inset 0 0 100px #0f0;     
  }
  100%
  {
     box-shadow: 0 0 50px #0f0,
                                inset 0 0 50px #0f0;     
    filter: hue-rotate(360deg);
  }
}
svg
{
  width: 0;
  height: 0;
  
}