Use Foundation for Emails (Inky's) Inliner to do it in one fell swoop.
Popular email clients like Outlook and Gmail strip out CSS
Made for responsive emails, meaning your media queries are moved into the body for you so they are preserved.
This is the best way to guarantee your email works properly on the compatible clients listed in the docs.
We practice Responsive Email Design daily at ZURB, sending out 10 email newsletter campaigns a month and creating email templates for our clients. We even built Foundation for Emails to help us and others send emails. This course covers the basics that designers and developers — even marketers — should know to get started with responsive emails.View Course