Jajajaja, that code it's not for fix that problem, I meant that the solution is in the previous replies, whatever, here you go:
Portal.template.php
Search:
<a class="sp_float_right" style="padding-top: 7px;" href="javascript:void(0);" onclick="sp_collapseBlock(\'', $block['id'], '\')"><img id="sp_collapse_', $block['id'], '" src="', $settings['images_url'], $block['collapsed'] ? '/expand.gif' : '/collapse.gif', '" alt="*" /></a>';
Replace with:
<a class="sp_float_right" href="javascript:void(0);" onclick="sp_collapseBlock(\'', $block['id'], '\')"><img id="sp_collapse_', $block['id'], '" src="', $settings['images_url'], $block['collapsed'] ? '/expand.gif' : '/collapse.gif', '" alt="*" /></a>';
Reseller.css
Add to the end:
#sp_center
{
padding: 0 5px;
}