abstract appearance background blended checkered checks christmas color colored colorful colour coloured colourful contrast contrasting dark decorative design details geometric geometrical green horizontal interconnected interlaced interlinked intertwined interwoven light linear lined lines patterned patterns perspectives red shape shaped shapes style texture textured textures thick thin vertical vibrant wallpaper angles black mosaic pattern patterned square squared squares bright circle circular cogwheel contoured contours edge edged edges marble marbling multicoloured round rounded surfaces surfacing swirling swirls