backdrop background color colored colorful colors colour coloured colourful colours curves form grey heavy irregular marble mason Mineral minerals natural nature old ore pattern patterning patterns rock solid stone stonecutter stonemason structure structures texture textures wallpaper abstract blended blue circle circular curved decorative design flower flowery interconnected interlinked light lines perspectives petalled petals pink round rounded shape shaped shapes sphere spherical style surface surfaces textured thick thin vibrant appearance details dots dotted fine geometric geometrical intermeshed interwoven linear lined linked links matrix mesh chain-like eyes orange stripes angles art artistic arty bright pointed points variations zig-zags brown dark decorated decoration nostalgia nostalgic old-style patterned soft squared squares vintage cream creamy tiles