a4 paper mockup creative book design pink cover feminine touch window view a4 paper mockup creative book design pink cover feminine touch window view generative ai rgb editable psd 4k resolution book mockup pink background woman illustration pink and white theme feminine book cover book by the window pink and purple design book template mockup design book cover mockup pink aesthetic creative book cover feminine design book layout pink book design window scene pink cover book feminine book mockup pink and white cover book design template pink cover design book mockup psd pink cover mockup feminine touch design book mockup template pink and purple cover book design mockup pink cover template book by window pink and white background book cover design pink cover layout feminine book design pink book mockup book cover template pink and purple theme book mockup design pink cover aesthetic