Foundation for Emails was a revelation when it first came out. It uses NPM to help you build responsive emails that look mostly the same in various email clients. It inlines and compresses your HTML so you can pop it into Listrak and be done.
I use it at work all the time, but getting it to
npm install is getting harder and harder. Zurb hasn't maintained it in a long time, which is a disappointment to many.
I recently spent some time troubleshooting this on a Windows machine with Ubuntu installed via WSL, and I'd like to share how I got it working.
I don't know if you've been keeping up with Bootstrap lately, but their version 4.0 release is coming along quite nicely. I'm a particular fan of its Reboot settings, which build upon Normalize.css to give some opinionated defaults. You can read about some of the plusses here, but that article skips over my favorite feature - modern system native fonts.