{% assign bitmap_mode = site.data.config.bitmap_mode | default: site.theme_config.bitmap_mode %} <a href=“twitter.com/{{ include.username }}”>
<span class="icon icon--twitter"> {% if bitmap_mode == true %} <img src="/assets/icons/icon-twitter.png"/> {% else %} {% include icon-twitter.svg %} {% endif %} </span> <span class="username">{{ include.username }}</span>
</a>