abstract artwork background blended bright colors coloured connected connections contours contrasting decorative design details edged edges interconnected interlinked interwoven light lines marbling multicolored multicoloured oil-paint paint paper patterns perspectives procedure process randomn shapes style surface surfaced surfaces swirling swirls technique textured textures thick thin traditional vibrant visual-arts vivid wallpaper birthday black card color colour curls curly flower flowers green grunge grungy leaf leaves nature plant spring summer wedding whishes curl orange yellow apartment architecture building debt descent down entrance entree round spiral stairs swirl twist UP view walk art autumn backdrop banners botanical botany concept contour creative deco decor decoration element fancy flora floral graphic illustration logo natural ornament pattern plants retro season seasonal shadow shadows silhouette stationery texture vector vintage weirdvis winter calm concentric fill gradient layers pastel red scrapbooking vortex water waves