This post is for people who design newsletters and send them out through email. The headache is that some services do not allow you to use local or external style to your newsletter design. The inline style is the only option, but to embed each style in the html elements is a nightmare and it would be an extravagant waste of time if anyone attempts it. Luckily, there is a site that can help. You paste your html in the provided textbox and the site will convert the local into inline. It is one of the labs from Mailchimp. Check this out.
Mailchimp site has a lot more good stuff. So if you are there, make sure to check them out.