{style}
{literal}
    input.ow_credits_input { width: 120px; }
{/literal}
{/style}

{form name='set-credits-form'}
<div class="ow_center">
    {input name='balance' class='ow_credits_input'}
    {submit name='save' class='ow_ic_save'}
</div>
{/form}