a detailed layout of {argument name="subject" default="various beetles and insects"} created in a {argument name="style" default="soft pastel chalk art style"}, with subtle chalk dust and textured paper grain visible. Harmonious, gently blended colors on a {argument name="background" default="lime-green background"}, arranged in a precise knolling style grid of hand-drawn beetles and insects, with one large, intricately rendered beetle in the center acting as the focal point, high-resolution illustration, clean negative space, top-down view.