Hello @PACM ,
When I test send to myself, the font type and size (even half-sizes) appears as expected in my browser, mobile browser, and mobile app versions of Gmail. Have you checked the receiving email programs' text settings to see if they'd be forcing the text to be a certain way, or have you checked the browser you're using to see if it's set to force fonts to appear a certain way?
If you regularly copy your email from previous copies, have you checked to see if the issue still occurs when you test using a fresh, new template? Or when you copy from a more direct source - like a reusable template you've made or the original version of an email you've regularly made copies of copies from?
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