abstract art-glass background blended blocks color coloration colored colorful colors colour coloured colourful colours contrast craftsmanship decorative distinctive glass light lighting liquidy multicolored multicoloured patterned patterns perspectives raised rectangles rectangular shaped shapes stained-glass style surface surfaced surfaces surfacing tactile texture textured textures thick vibrant wall walled wallpaper window appearance artistic artistry bright curved curves round rounded thin glassy modern ornamental ornate exterior firm form glass-bricks lined lines solid squares