.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  border-radius: 50px;
  padding: 8px 20px;
  z-index: 1000;
  display: flex;
  align-items: center;
  border-style: solid;
  border-color: #13653f;
}

.whatsapp-button:hover {
  background-color: #128C7E;
  border-style: solid;
  border-color: #13653f;
}

.whatsapp-button i {
  font-size: 30px;
  color: #ffffff;
}

*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}