a pink paper christmas tree frame on a pastel blue background with depth and shadows, creating a creative festive

christmas tree frame pink paper pastel blue background depth shadows creative festive design banner mockup holiday seasonal celebration artistic decorative ornamental winter yuletide joyful merry bright cheerful unique stylish elegant modern decorated whimsical happy colorful vibrant festivity greeting card invitation concept present adornment ornamentation decor fashionable cosy warm ai generated