my-site/layouts/shortcodes/resume/project.html

<div>
  <!-- 
  <button class="btn" type="button" data-toggle="collapse"
    data-target="#{{ .Get "name" | lower | urlize }}-details"
    aria-expanded="false" aria-controls="{{ .Get "name" | lower | urlize }}-details">
  -->
  <button class="btn" type="button" data-toggle="collapse"
    data-target="#{{ .Get "name" | lower | urlize }}-details"
    aria-expanded="false" aria-controls="{{ .Get "name" | lower | urlize }}-details">
    <h2 class="project-title">{{ .Get "name" }} ⏷</h2>
    <!-- {{ .Get "name" }} ⏷ -->
  </button>
  <div class="date">{{ .Get "date" }}</div>
  <div class="collapse show" id="{{ .Get "name" | lower | urlize }}-details">
    <div>
      {{ .Inner }}
    </div>
  </div>
</div>