.icon_whastapp:before {
  display: block;
  content: ' ';
  background-image: url('../svg/logo_whatsapp.svg');
  background-size: 18px 18px;
  height: 18px;
  width: 18px;
}

.icon_whastapp_n:before {
  display: block;
  content: ' ';
  background-image: url('../svg/logo_whatsapp_n.svg');
  background-size: 18px 18px;
  height: 18px;
  width: 18px;
}