.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 200px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-in-out;
  }
  
  .whatsapp-float:hover {
    background-color: #128C7E;
    color: #FFF;
    text-decoration: none;
  }

  @keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
  }
  
  .whatsapp-float {
    animation: pulse 2s infinite;
  }