I’m developing the Dracula theme for Mailspring, but I can’t inject css into the iframe to change the text color when the background is dark.
Looking at the dark theme shipped by default in Mailspring I saw that we have the file
email-frame.less (which is injected into the body of the email by inverting the colors), but it doesn’t work in the custom theme, file
email-frame.less is created in Dracula
Issue opened by users of the Dracula theme: Text readability MailSpring issue · Issue #6 · dracula/mailspring · GitHub
test done with 3 different themes: