discourse/lib/onebox/templates/discourse_user_onebox.mustache

<aside class="onebox">
  <article class="onebox-body user-onebox">
    {{{avatar}}}
    <h3><a href="{{original_url}}">{{{username}}}</a></h3>
    <div>
      {{#name}}
        <span class="full-name">{{name}}</span>
      {{/name}}
      {{#location}}
        <span class="location">
          <svg class="fa d-icon d-icon-map-marker-alt svg-icon" xmlns="http://www.w3.org/2000/svg">
            <use href="#map-marker-alt"></use>
          </svg>
          {{{location}}}
        </span>
      {{/location}}
      {{#website}}
        <span>
          <svg class="fa d-icon d-icon-globe-americas svg-icon" xmlns="http://www.w3.org/2000/svg">
            <use href="#globe-americas"></use>
          </svg>
          <a href="{{website}}">{{{website_name}}}</a>
        </span>
      {{/website}}
    </div>
    {{#bio}}
      <p>{{{bio}}}</p>
    {{/bio}}
    <span>{{joined}} {{created_at}}</span>
  </article>
  <div class="clearfix"></div>
</aside>