#qrCode[data-v-f78b5bb8] {
  display: none;
}
.header_btn[data-v-f78b5bb8] {
  float: right;
  margin: 4px 7px 0px 0px;
  background-color: #1e8fc6;
}
.header_btn[data-v-f78b5bb8]:hover,
.header_btn[data-v-f78b5bb8]:active,
.header_btn[data-v-f78b5bb8]:focus {
  background-color: #1e8fc6;
}

#bill_canvas {
  width: 1039px;
  height: 502px;
}