Here can you edit the order Total Value and other card elements.
extensions\cart_module\Views\cart_module.php
<div class="cart-total">
<div class="table-responsive">
<table width="100%" height="auto" class="table table-none">
<tbody>
<?php foreach ($cart_totals as $name => $total) { ?>
<?php if (!empty($total)) { ?>
<tr>
<td><span class="text-muted">
<?php if ($name === 'order_total') { ?>
<b><?php echo $total['title']; ?>:</b>
<?php } else if ($name === 'coupon' AND isset($total['code'])) { ?>
<?php echo $total['title']; ?>:
<a class="remove clickable" onclick="clearCoupon('<?php echo $total['code']; ?>');"><span class="fa fa-times"></span></a>
<?php } else { ?>
<?php echo $total['title']; ?>:
<?php } ?>
</span></td>
<td class="text-right">
<?php if ($name === 'coupon') { ?>
-<?php echo $total['amount']; ?>
<?php } else if ($name === 'order_total') { ?>
<b><span class="order-total"><?php echo $total['amount']; ?></span></b>
<?php } else { ?>
<?php echo $total['amount']; ?>
<?php } ?>
</td>
</tr>
<?php } ?>
<?php } ?>
</table>
</div>
</div>
<div id="cart-buttons" class="<?php echo (!$is_mobile AND !$is_checkout) ? 'visible-xs' : 'hide'; ?>">
<a class="btn btn-default cart-toggle" href="<?php echo site_url('cart') ?>" style="text-overflow:ellipsis; overflow:hidden;">
<?php echo lang('text_heading'); ?>
<span class="order-total"><?php echo (!empty($order_total)) ? ' - '.$order_total : ''; ?></span>
</a>
</div>
\extensions\cart_module\Views\stylesheet.css
#cart-buttons .order-total {
font-weight: bold;
}
