popup.html

<main class="main">
  <label>
    Grid:
    <select id="s-sel">
      <option value="row">row</option>
      <option value="col">col</option>
      <option value="all">all</option>
    </select>
  </label>
  <label>
    <button id="hide">Hide</button>
  </label>

  <label class="right">
    <button id="show">Show</button>
  </label>

  <hr />
  <br />

  <label>
    width:
    <br />
    <input id="w-inp" type="number" />
    <select id="w-sel">
      <option value="px">px</option>
      <option value="cm">cm</option>
      <option value="mm">mm</option>
      <option value="in">in</option>
      <option value="pc">pc</option>
      <option value="pt">pt</option>
      <option value="ch">ch</option>
      <option value="em">em</option>
      <option value="rem">rem</option>
      <option value="vh">vh</option>
      <option value="vw">vw</option>
      <option value="vmin">vmin</option>
      <option value="vmax">vmax</option>
    </select>
  </label>
  <br />

  <label>
    height:
    <br />
    <input id="h-inp" type="number" />
    <select id="h-sel">
      <option value="px">px</option>
      <option value="cm">cm</option>
      <option value="mm">mm</option>
      <option value="in">in</option>
      <option value="pc">pc</option>
      <option value="pt">pt</option>
      <option value="ch">ch</option>
      <option value="em">em</option>
      <option value="rem">rem</option>
      <option value="vh">vh</option>
      <option value="vw">vw</option>
      <option value="vmin">vmin</option>
      <option value="vmax">vmax</option>
    </select>
  </label>
  <br />

  <label class="right">
    <button id="chg-size">Change Size</button>
  </label>
  <br />

  <label>
    color:
    <br />
    <input id="c-inp" type="color" />
  </label>
  <br />

  <label class="right">
    <button id="chg-color">Change Color</button>
  </label>
  <br />

  <label>
    <button id="reset">Reset</button>
  </label>
</main>

<style>
  .main {
    width: max-content;
  }

  .right {
    float: right;
  }
</style>

<!-- <script
  defer=""
  src="file:///Users/apple/vscode/MDN-Wayback/js/popup.js"
></script> -->
<script defer src="/js/popup.js"></script>