{# Set box sizes: #} {% if billCount > 0 %} {% set boxClasses = 'col-lg-3 col-md-3 col-sm-6 col-xs-12' %} {% else %} {# Zero bills? Remove the boxes. #} {% set boxClasses = 'col-lg-4 col-md-4 col-sm-6 col-xs-12' %} {% endif %}