abstract announcement backdrop background banner blue border colour copyspace design desktop frame graphic grunge marbled old paper sign texture textures vector vintage wallpaper white blended bright circular color colored colorful coloured colourful dark decorative detailed details glass glassy green interconnected interlinked light lighting patterned-glass patterns perspectives purple raised red shape shaped shapes style symmetry tactile textured thick thin transparent vibrant visual window appearance black colors colours dots dotted dotty geometric geometrical interwoven lace lacy linear lined lines square squared squares architectural barrier brick brick-wall bricks brickwork cement coloring colouring constructed exterior external firm mortar perspective rectangular secure security smooth solid standard strength strong surface surfaced surfaces traditional-brick-wall variation varied various wall walled well-built art-glass blocks coloration contrast craftsmanship distinctive liquidy multicolored multicoloured patterned rectangles stained-glass surfacing