{# Render figure with responsive image and optional caption #}
{# Expects ImageWithCaption structblock with image and caption #}
{# Adapted from mep-django #}
<figure>
    {% include "pages/snippets/responsive_image.html" with img=value.image alt_text=value.alternative_text %}
    {% if value.caption %}
        <figcaption>{{ value.caption }}</figcaption>
    {% endif %}
</figure>