BathHacked/energy-sparks

<% if suggestions.empty? %>
  <p>No suggestions</p>
<% else %>
  <% suggestions.in_groups_of(3) do |group| %>
    <div class="row padded-row">
      <div class="card-deck">
        <% group.each do |activity_type| %>
          <% if activity_type %>
            <%= render 'activity_types/card', activity_type: activity_type, school: @school %>
          <% end %>
        <% end %>
      </div>
    </div>
  <% end %>
<% end %>