#output {
   width: 150px;
   float: left;
   border: 0;
   margin: 10px;
   image-rendering: pixelated; 
   image-rendering: crisp-edges;
}

body {
  grid-template-columns: 1fr min(90vw, 90%) 1fr;
}

#grid td {
  width: 30px;
  vertical-align: middle;
  text-align: center;
  height: 30px;  
  font-size: 15px;
  display: inline-block;
}

#throbber {
  width: 50%;
  margin: 0 auto;
  display: block;
}

.hide {
  display: none !important;
}

@media print {

   html {
      zoom: 60%;
   }

   .no-print {
      display: none !important;
   }
}