`function gridLength() {
   if (event.target.value !== 16) {
   reset(event.target.value);
     }
  }

function reset(length) {
  boxSide = length;
  main();
  $(".cell").css({
            "opacity": "0.1",
            "border": "0.5px solid black",
            "backgroundColor":
"transparent"});
    }`