.whatsapp_float {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 40px;
    right: 40px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    transition: transform 0.3s;
  }
  
  .whatsapp_float img {
    width: 100%;
    height: 100%;
  }
  
  .whatsapp_float:hover {
    transform: scale(1.1);
  }