body {
  background-color: rgb(250,236,210);
  overflow: hidden;
  user-select: none;
  cursor: crosshair;
  margin: 0px;

}

#cont {
  display: block;
  width:100%;
  height:100%;
  position: absolute;
}

#hider{
  position: absolute;
  display: none;
  width:100%;
  height:100%;
  top:0px;
  left:0px;
  z-index: 100;
  background-color: white;
}

svg{

  display: block;
  margin:auto;
  top:0px;
  z-index: 10;
 
}


#stamp{
  width:20%;
  margin-left:40%;
  margin-top:40%;
  position:absolute;
  display: block;
  animation: pulse 3s infinite;
  opacity: 0;
}

@keyframes appear { 
  0% {
     opacity: 0;
   }
 
   100% {
     opacity: 1;
   }
 }

@keyframes disappear { 
 0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

@keyframes pulse { 
  0% {
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

#barcode {
  z-index: 9999;
}