{% if environment_indicator -%}

    # Show environment indicator on HTML pages.

    sub_filter_types text/html;

    sub_filter_once on;

    sub_filter "</body>" "<div id='website-environment' style='background-color: {{ environment_indicator.background_colour }}; width: 100%; text-align: center; position: fixed; bottom: 5px; color: {{ environment_indicator.text_colour }}; font-weight: bold;'>{{ environment_indicator.text }}</div></body>";

    {% endif -%}