A complex illustration of butterflies, in the style of psychedelic mythic art nouveau, adult coloring book page with no color or grayscale, complex detailed illustration with nouveau background, clean black line art, full page, edge to edge, full field of view, thick black outline, contour style, 2d, flat design, white space to fill, white background, no filling, no shadow, 8k resolution --ar 75:100 --c 30