We import your Css style in order to realize a layout equivalent to your website and we guarantee the correct functionality of this plugin, but we can't assure you that the newsletter will look like for every email client. This is no an our fault, but a lack of email clients, so you should follow the rules for a good newsletter! Look for some guidelines in internet. Don't worry, the global structure will be maintained intact, only some proprieties like round boxes won't be accepted by every email clients. Moreover we supply with this inconvenient offering you the simple mode view mode and the box mode view.