it happens when duplicating my previous post, which I always do 🔒[private user]. I don't use any templates and i never start from a blank draft. It looks fine in the editor preview but in the live email it's tiny.
Lex R. what CSS did you use? The gap between my header and next block is giving me nightmares. I can find no way to change in the new settings. All my padding is set to 0 too. Pic below of the 'nightmarish gap'