framework7-cli/create/templates/core/pages/404.html

Framework7 command line utility (CLI)

<div class="page">
  <div class="navbar">
    <div class="navbar-bg"></div>
    <div class="navbar-inner sliding">
      <div class="left">
        <a href="#" class="link back">
          <i class="icon icon-back"></i>
        </a>
      </div>
      <div class="title">Not found</div>
    </div>
  </div>
  <div class="page-content">
    <div class="block block-strong inset">
      <p>Sorry</p>
      <p>Requested content not found.</p>
    </div>
  </div>
</div>