updates_minipanel.inc

<?php

/**
 * implementation of hook_panels_layouts
 */
// Plugin definition
$plugin = array(
    'title' => t('Updates'),
    'category' => t('Tesla minipanels'),
    // 'icon' => 'default_template.png',
    'theme' => 'updates_minipanel',
    'theme arguments' => array('id', 'content'),
    'css' => 'updates_minipanel.css',
    'regions' => array(
        'blog_press' => t('Blog and Press Updates'),
        'customer_stories' => t('Customer Stories'),
    ),
);

updates_minipanel.tpl.php

<?php if ($content['blog_press'] || $content['customer_stories']): ?>
    <section class="section-updates content-constrain">
        <div class="updates-wrap">
            <h1 class="section-title alternate">Updates</h1>

            <?php if ($content['blog_press']): ?>
                <div class="blog-press">
                    <?php print $content['blog_press']; ?>
                    <p class="view-all"><a href="/blog" title="">All blogs and press releases</a></p>
                </div>
            <?php endif; ?>

            <?php if ($content['customer_stories']): ?>
                <aside class="customer-stories">
                    <?php print $content['customer_stories']; ?>
                    <p class="view-all"><a href="/customer-stories" title="">All customer stories</a></p>
                </aside>
            <?php endif; ?>

        </div>
    </section>
<?php endif; ?>