<a class="navbar-brand text-truncate" href="<?php echo $header['mobile_link'];?>">
  <img src="<?php echo $conf['logo_mobile_url'];?>" class="logo-2">
 <?php if($header['mobile_title']) { ?>
 <span class="hidden-lg"><?php echo $header['mobile_title'];?></span>
 <?php } ?>
</a>

<a class="navbar-brand text-truncate d-flex align-items-center" href="./">
<img src="<?php echo $conf['logo_mobile_url'];?>" class="logo-2 mr-2"> <?php echo $conf['sitename'];?>
</a>