abstract appearance background blended blue bright brilliant color colored colorful colour coloured colourful decorative design details heart heart-shaped hearts interconnected interwoven light lines patterns perspectives pointed points red rounded shape shaped shapes sharp style texture textured textures thick thin vibrant wallpaper angled angles backdrop colors colours geometric geometrical linear lined pink purple striped stripes striping brown dark decorated decoration nostalgia nostalgic old old-style patterned soft squared squares vintage appearances checked checkered checks contrasting horizontal interlinked intertwined solid strength stripe stripy surface surfaces vertical