Front W - Pattern Library

Multicol: Sidebar Right 

<div class="multicol">
    <div class="multicol__content stack">
        <div class="box">Main Content</div>
    </div>
    <div class="multicol__marginal stack">
        <div class="box">Sidebar</div>
    </div>
</div>
 
{% if sidebar_position is not defined %}
  {% set sidebar_position = 'left' %}
{% endif %}
<div class="multicol">
  {% if sidebar_position == 'left' %}
  <div class="multicol__marginal">
    <div class="box">Sidebar</div>
  </div>
  {% endif %}
  <div class="multicol__content stack">
    <div class="box">Main Content</div>
  </div>
  {% if sidebar_position == 'right' %}
  <div class="multicol__marginal stack">
    <div class="box">Sidebar</div>
  </div>
  {% endif %}
</div>
 
{
  "sidebar_position": "right"
}