Like botton image not loading

[MyFaith]

I just find out the like button have not loading .
I have try Thank You/Like System and simple like , two are same .
Had not loading the image .

So i change the the code from thankyoulike_button_add  (Thank You/Like System)

<span id="tyl_btn_{$post['pid']}" class="buttons"><a href="thankyoulike.php?action=add&amp;pid={$post['pid']}&amp;my_post_key={$mybb->post_code}" onclick="return thankyoulike.add({$post['pid']},{$post['tid']});" title="{$lang->add_tyl}"  id="tyl_a{$post['pid']}"style="background:#008ae6""margin-right:5px;"> <i class="fa fa-thumbs-up fa-fw"></i>LIKE</a></span>

now it have somethings like this

[attachment=37890]

Just want to know is that any way can adjust the background size match with others button ?
Or is they have any others solution ?

[nth]

What theme are you using?

[MyFaith]

What theme are you using?

Edit : problem solve