@keyframes sweep {
    0% {
      opacity: 0;
      transform: translateX(-10px);
    }

    100% {
      opacity: 1;
      transform: translateX(0);
    }
  }

  /*=============*/

  .whatsapp {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 11%;
    right: 28px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    z-index: 100;
    animation: sweep 1.5s ease-in-out;
  }


  @media (max-width: 600px) {
    .whatsapp {
      right: 12px;
      bottom: 73px;
    }
  }