#whatsapp-float-icon {
  position: fixed;
  z-index: 2147483647;
  display: block;
  /*background: #000 none repeat scroll 0 0;*/
  background-color: #51ca5f;
  /*border-radius: 2px;*/
  border-radius: 50%;
  bottom: 15px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  color: #fff;
  font-size: 50px;
  height: 74px;
  line-height: 30px;
  /*opacity: 0.6;*/
  left: 45px;
  text-align: center;
  transition: all 0.3s ease 0s;
  width: 74px;
}
#whatsapp-float-icon i {
  margin-top: 10px;
}