.video-react .video-react-audio-visualizer {
  position: absolute;
  border: none;
  width: 80px;
  height: 80px;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  border: 2px solid #fff;
  margin: -38px 0 0 -38px;
  box-sizing: border-box;
  background-clip: padding-box;
}

.video-react .video-react-audio-visualizer .halo {
  position: absolute;
  top: -2px;
  left: -2px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  background-color: transparent;
  border: 2px solid #fff;
  opacity: 0;
  transform: scale(1);
  -webkit-transform: scale(1);
  -moz-transform: scale(1);
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

@-webkit-keyframes pulse {
  0% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
  50% {
    -webkit-transform: scale(1.5);
    opacity: 0.5;
  }
  100% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
}