/*Button whatsapp*/
.plus-button {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 100;
  height: 65px;
  width: 65px;
  border-radius: 100%;
  background-color: #99e400;
  box-shadow: 2px 2px 10px 1px rgba(0,0,0,0.58);
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  -webkit-transform: scale(0.92);
          transform: scale(0.92);
          transition: 0.33s ease;
}
.plus-button::before {
  content: "";
  background-image: url('https://i.ibb.co/fdX0hNb/Whatsapp.png'); 
  background-size: 100%;
  background-repeat: no-repeat;
  padding: 40px;
  position: fixed;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  color: #fff;
  font-size: 28px;
  font-weight: 600;
  transition: 0.33s ease;
}