Temperature styling

Could you please add a separate span with class to the temperature like:

<div class="wundertemp">
<span class="wundertempday">9°</span><span class="wunderdivider">/</span><span class="wundertempnight">0°</span>
</div>

Thank you!

http://ww.wp.xz.cn/extend/plugins/wunderground/