<table cellspacing="10">
    <tbody>
        {% for row in table %}
            <tr>
                {% for template in row %}
                    <td {% spaceless %}
                            {% if template.rowspan > 1 %} rowspan="{{ template.rowspan }}"{% endif %}
                            {% if template.colspan > 1 %} colspan="{{ template.colspan }}"{% endif %}
                            {% if not template.exists %}
                                class="empty">
                            {% elseif template.large %}
                                id="templatePosition-{{ template.value }}" data-position="{{ template.value }}" class="box templatePosition">
                            {% else %}
                                >
                            {% endif %}
                        {% endspaceless %}

                        {% if not template.exists %}
                            &nbsp;
                        {% elseif template.large %}
                            <div class="panel panel-default panel-pages-block">
                                <div class="panel-heading">
                                    <div class="heading linkedBlocksTitle"><p>{{ template.title }}</p></div>
                                </div>
                                <div class="panel-body">
                                    <div class="linkedBlocks"><!-- linked blocks will be added here --></div>
                                    <div class="text-center" role="toolbar">
                                        <div class="btn-group" role="group">
                                            <a href="#addBlock" class="btn btn-primary btn-xs addBlock">
                                                <span class="fa fa-th-large"></span>
                                                {{ 'lbl.AddBlock'|trans|capitalize }}
                                            </a>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        {% else %}
                            <a href="#position-{{ template.value }}" title="{{ template.title }}">{{ template.title }}</a>
                        {% endif %}
                    </td>
                {% endfor %}
            </tr>
        {% endfor %}
    </tbody>
</table>

<table cellspacing="10">
    <tbody>
        {% for row in table %}
            <tr>
                {% for template in row %}
                    <td {% spaceless %}
                            {% if template.rowspan > 1 %} rowspan="{{ template.rowspan }}"{% endif %}
                            {% if template.colspan > 1 %} colspan="{{ template.colspan }}"{% endif %}
                            {% if not template.exists %}
                                class="empty">
                            {% elseif template.large %}
                                id="templatePosition-{{ template.value }}" data-position="{{ template.value }}" class="box templatePosition">
                            {% else %}
                                >
                            {% endif %}
                        {% endspaceless %}

                        {% if not template.exists %}
                            &nbsp;
                        {% elseif template.large %}
                            <div class="panel panel-default panel-pages-block">
                                <div class="panel-heading">
                                    <div class="heading linkedBlocksTitle"><p>{{ template.title }}</p></div>
                                </div>
                                <div class="panel-body">
                                    <div class="linkedBlocks"><!-- linked blocks will be added here --></div>
                                    <div class="text-center" role="toolbar">
                                        <div class="btn-group" role="group">
                                            <a href="#addBlock" class="btn btn-primary btn-xs addBlock">
                                                <span class="fa fa-plus"></span>
                                                {{ 'lbl.AddBlock'|trans|capitalize }}
                                            </a>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        {% else %}
                            <a href="#position-{{ template.value }}" title="{{ template.title }}">{{ template.title }}</a>
                        {% endif %}
                    </td>
                {% endfor %}
            </tr>
        {% endfor %}
    </tbody>
</table>

Use plus icon for button add block
Use plus icon for button add block
