.floating-btns {
  position:fixed;
  bottom:180px;right:20px;
  border-radius:50%;
  height:65px;
  max-height:65px;
  width:65px;
  max-width:65px;
  background:#4AAF20;
  color:#fff;
  font-size:35px;
  display:flex;
  align-items:center;
  z-index:1000;
  justify-content:center;}

.floating-btns:before {
  position:absolute;content:'';
  border-radius:50%;
  height:100%;
  width:100%;
  border:5px solid #4AAF20;
  inset:0 auto;
  margin:auto;
  animation:pulsew 2s ease infinite;}


  
  @-webkit-keyframes pulsew{0%{opacity:1;}
  100%{height:150%;width:150%;opacity:0;}}
  @keyframes pulsew{0%{opacity:1;}
  100%{opacity:0;height:150%;width:150%;}}
  .pulsew{animation:pulsew 1.5s ease infinite;}