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

<div class="project">
  <a class="project-link" href="{{ .Get "url" }}" target="_blank">
    <img src="{{ "img/link.svg" | relURL }}" alt="link-icon">
  </a>
  <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>
  </button>
  <div class="date">{{ .Get "date" }}</div>
  <div class="collapse{{ with .Get "show" }} show{{ end }}" id="{{ .Get "name" | lower | urlize }}-details">
    <div>
      {{ .Inner }}
    </div>
  </div>
</div>