index.html

<link id="global-css" rel="stylesheet" href="./global.css?param=required" />
<script type="module" src="./hmr.ts"></script>
<style>
  .import-image {
    width: 30px;
    height: 30px;
    background: url('./icon.png') no-repeat;
    background-size: contain;
  }
</style>

<div class="app"></div>
<div class="dep"></div>
<div class="nested"></div>
<div class="custom"></div>
<div class="custom-communication"></div>
<div class="css-prev"></div>
<div class="css-post"></div>
<div class="import-image"></div>