anchor.diff:    <h1>Plate Scanner</h1>
   
     <form action="/" method="POST" enctype="multipart/form-data" class="form">
  -    <div class="input-group">
  -      <label>Scan</label>
  -      <input type="file" name="image">
  +    <div class="panel">
  +      <div class="box">
  +        <label>Instructions</label>
  +        <small>
  +          <ol>
  +            <li>Scan 96-well plate:</li>
  +            <ul>
  +              <li>600-DPI</li>
  +              <li>Export as JPEG</li>
  +            </ul>
  +            <li>Upload scanned image</li>
  +            <li>Press submit</li>
  +            <li>Copy barcodes</li>
  +            <li>Try increasing the sensitivity to <code>500</code> if some barcodes are missing</li>
  +          </ol>
  +        </small>
  +      </div>
       </div>
  -    <div class="input-group">
  -      <label>Sensitivity (<span id="textInput">50</span> ms)</label>
  -      <input name="timeout" min="10" max="1000" step="10" value="50" onchange="updateTextInput(this.value);">
  -    </div>
  -    <div class="input-group">
  -      <input type="submit">
  +
  +    <div class="panel">
  +      <div class="box">
  +        <label>Scan</label>
  +        <input type="file" name="image">
  +      </div>
  +      <div class="box">
  +        <label>Sensitivity (<span id="textInput">50</span> ms)</label>
  +        <input name="timeout" min="10" max="1000" step="10" value="50" onchange="updateTextInput(this.value);">
  +      </div>
  +      <div class="box">
  +        <input type="submit" class="button">
  +      </div>
       </div>
     </form>
   
  
positive.code:         -ms-user-select: none;
          user-select: none;
        }
      </style>
    </head>
    <body>
  
negative.code:       label {
          display: block;
          margin-bottom: 5px;
          font-weight: 700;
        }
  
        h1 {
  