{# One face of the sheet: its panels in the printer's order, left to right,
   and on a proof the fold guides and reader labels over them. #}
<div class="side" data-side="{{ side }}">
{{ panels_html }}
{% if proof %}
{% for fold in folds %}
  <div class="proof-fold" style="left:{{ fold }}px; border-left-color:{{ theme.palette.rule_dark }};"></div>
{% endfor %}
{% for label in labels %}
  <div class="proof-label" style="left:{{ label.box.left }}px; width:{{ label.box.width }}px; color:{{ theme.text.light }};">{{ label.box.reader }} &middot; {{ label.name | escape_html }}</div>
{% endfor %}
{% endif %}
</div>