{% for option in collection.options %}
<div class="option">
<div class="option-title">
{{ option.title }}
</div>
<div class="option-values">
{% for option_value in option.values %}
<div class="option-value {% if option_value.selected %}is-selected{% endif %}">
{{ option_value.title }}
</div>
{% endfor %}
</div>
</div>
{% endfor %}