gistfile1.ascx

<!-- the expression in the container is used by the contained LableFor and InputFor -->

<div for="x => x.FirstName">
  <div class="shiny">{ Label }</div>
  <div class="happy">{ Input }</div>
</div>

<!-- or if you don't need a container, use a "virtual", non-printing tag
<surround for="x => x.FirstName">
  <dt class="shiny">{ Label }</dt>
  <dd class="happy">{ Input }</dd>
</surround>