table.qrcode_generator {
  display:          inline-block;
}

table.qrcode_generator,
table.qrcode_generator tr,
table.qrcode_generator td {
  border-style:     none;
  border-collapse:  collapse;
  margin:           0px;
  padding:          0px;
}

table.qrcode_generator td.qr_0,
table.qrcode_generator td.qr_1 {
  width:            3px;
  height:           3px;
}

table.qrcode_generator td.qr_0 {
  background-color: #ffffff;
}

table.qrcode_generator td.qr_1 {
  background-color: #000000;
}