<!doctype html>
<html>
  <head>
    <meta charset=utf-8>
    <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    <title>blaster</title>
    <script src="./js/roygbiv.js"></script>
    <style>
      body { margin: 0; position: fixed; display: flex;}
      canvas {display: block;}
      @font-face {
        font-family: hack;
        src: url(./css/Hack-Bold.ttf);
      }
      .noselect {
        -webkit-touch-callout: none;
        -webkit-user-sel