.btn-whatsapp {
  bottom: 100px;
  display: inline-block;
  right: 50px;
  position: fixed;
}

.btn-whatsapp a {
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% auto;
  background-image: url(data:image/svg+xml;base64,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);
  display: inline-block;
  width: 46px;
  height: 46px;
  box-sizing: border-box;
  transition: background-size 0.1s linear;
  cursor: pointer;
  text-indent: -9000px;
}