blue ceramic pattern square tile squares stairs steps stripes tile tiles ceiling roof soundproof soundproofing square texture textures abstract appearance background blended brown colored coloured cream curves decorative design details interconnected interlaced interlinked interwoven light mosaic patterns perspectives pink red shape shaped shapes squared style surface surfaces symmetrical symmetry textured thick thin tiled tiling vibrant wallpaper lines yellow glass glassy mandala tactile backdrop decoration facade grey irregular regular structure structures white tinsel cover covering decorate floor flooring green architecture art black element elements glass tiles translucent window windows