feather/_includes/icons.html

<div class="w-80 mw8 center" id="js-icons">
  <input
    type="search"
    class="search fuzzy-search input-reset w-100 mb3 pv3 ph3 ph4-ns rubik f5 lh-copy bg-white br1 ba b--black-20"
    placeholder="Search"
  />
  <ul class="icon-grid mv0 pl0 list">
      {% for file in site.static_files %}
        {% if file.path contains 'dist/icons/'  %}
          {% include icon.html icon=file %}
        {% endif %}
      {% endfor %}
    </ul>
</div>