<table class="action" align="center" width="100%" cellpadding="0" cellspacing="0"> <tr> <td align="center"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td align="center"> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td> <a href="<?php echo e($url); ?>" class="button button-<?php echo e($color or 'blue'); ?>" target="_blank"><?php echo e($slot); ?></a> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table>