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 backdrop barrier brown coloring colors colouring colours contain containment contrast contrasting divide dry edges fence fencing hard separation straight strong surface surfaced surfaces surfacing tactile upright variations variety wood wood-grain wooden