This documentation describes how you can add custom CSS to your email newsletter.
Note that anything you add here will only show up in your email. It won't show up in your blog post.
You can watch the video tutorial below for a detailed guide on Adding custom CSS to your email newsletter.
Start by going to Newsletter Glue > Settings > Custom CSS
00:00 - Custom CSS only shows up in your email, not your blog posts
00:20 - Creating our post inside the WordPress editor to see what CSS elements show up and what doesn't
00:23 - Selecting text colour for post vs selecting text colour for newsletter
00:50 - Selecting background colour box for newsletter
01:00 - Checking class names and matching it to custom CSS settings inside Newsletter Glue
01:06 - See email in browser before sending
01:15 - Sending email to see how it looks
01:24 - Looking at post to see which CSS styles show up, and which didn't.
01:41 - Looking at our email to see which CSS styles show up, and which didn't.
