The red summary text on the mostly green background is hard to read. May I suggest putting a more neutral pastel and translucent 'cloud' behind/framing the text for contrast and to remove 'vibration'?
finally found a way to get templates for the covers to make sure they're set properly with bleed, which helped a lot. Honestly, I've been kind of a dumbass about it all. The template generator is at KDP Cover Calculator