Hi,
The CSS modifications will be ineffective because facebook uses iframe to generate the Like box.
Facebook Like Box is the official and it has been grabbed from
developers.facebook.com/docs/reference/plugins/like/
You can re-create your own facebook like box. Browse the above link, fill out the form and click "Get Code".
Facebook will give you the codes in different formats (HTML5, XFBML, IFRAME, URL)
You are going to use the XFMBL or HTML5 (which ever you want). The JavaScript SDK and necessary Meta Tag midifications have already been applied to "LightMart". So all you need to do is copy the last line, which will be something like this
<div class="fb-like" data-href="THE_URL_TO_LIKE_OR_LEAVE_EMPTY_FOR_CURRENT_URL" data-width="450" data-show-faces="true" data-send="true"></div>
or
<fb:like href="THE_URL_TO_LIKE_OR_LEAVE_EMPTY_FOR_CURRENT_URL" width="450" show_faces="true" send="true"></fb:like>
Then open this PHP file:
/tamplates/flexible_lightmart/html/com_virtuemart/productdetails/default.php
Look for this line:
<!-- FACEBOOK LIKE Button XFBML BEGIN -->
<fb:like send="false" width="220" show_faces="false" colorscheme="light"></fb:like>
<!-- FACEBOOK LIKE Button XFBML END -->
And insert your new code that facebook.com gave to you.
One more thing. If you are currently in the http://localhost/
the LIKE button won't work. You have to be in the live server to see it is working.
Regards.