.whatsapp-float{  
    position:fixed;
    bottom:50px;
    right: 50px;
    z-index: 99;
  
  }
  .btn-whatsapp{
    position: relative;
    position: sticky;
    float: right;
    bottom: 5px;
    right: 30px;
  }
  .btn-whatsapp img{
    position: relative;
    z-index: 2;
    width: 45px;
    height: 45px;
  }
  .btn-whatsapp:before,
  .btn-whatsapp:after{
    content: "";
    position: absolute;
    left: 0%;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #00e676;
    opacity: 0;
    animation: onda 1.7s infinite;
  }
  .btn-whatsapp:before{
    animation-delay: 1s;
  }
  .btn-whatsapp:after{
    animation-delay: 1.3s;
  }
  @keyframes onda{
    0% {
      transform:  scale(1);
    }
    15%{
      opacity: 1;
    }
    100%{
      opacity: 0;
      transform: scale(2.5);
    }
  }