.toyo-wa-whatsapp {
  display: inline-block;
  width: 1em;
  height: 1em;
  line-height: 1 !important;
}

.toyo-wa-whatsapp::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background-color: currentColor;
  -webkit-mask: url("../font/whatsapp.svg") no-repeat center / 100% 100%;
  mask: url("../font/whatsapp.svg") no-repeat center / 100% 100%;
}