Yes I sorted it.
Error found in username color, you forgot to use a "#" before the color.
In pluggin "uShop - Markup Addition"
Change
Code:
$post['musername'] = "<span style=\"color:" . $post['ushop_usernamecolor'] . "\">" . $post['username'] . "</span>";
to
Code:
$post['musername'] = "<span style=\"color:#" . $post['ushop_usernamecolor'] . "\">" . $post['username'] . "</span>";