Template source: common/selection_buttons.html

<div class="col-md-12 panel panel-primary">
    <div class="panel-body" id="selection-{{ selection_box }}">
    {% for button_name, button in buttons.items %}
        <a id='selection-button'
        {% if button.url %}href="{{ button.url }}" {% endif %} class="btn btn-{{ button.color }}
        {% if forloop.counter > 1 and button.sameSize is None %}
          btn-sm
        {% else %}
          btn-lg
        {% endif %}
        btn-block has-spinner"
        {% if button.modal %}data-toggle="modal" data-target="#{{ button.modal}}"{% endif %}
        {% if button.onclick %}onclick="{{ button.onclick | safe }}" {% endif %}>
            <span class="spinner"><i class="fa fa-spinner fa-spin"></i></span> {{ button.label | safe}}
        </a>
    {% endfor %}
    </div>
</div>