abstract art artistic backdrop background black blend circles color colored colorful colors colour coloured colourful colours decoration decorative delicate design detailed patterns image images intricate patterns kaleidoscopic patterns light lines mandala orange pattern perspectives pink shapes small style texture textures vibrancy vibrant wallpaper white beautiful classic concept creative elegant element geometric graphic illustration intricate ornate paper retro seamless tile tillable unique Victorian Victoriana vintage angled angles architectural-elements ceiling circular corner dark diffused-light greyscale handrail inside interior lighting limited monochrome patterned patterns reflections shadowy shiny spiral spiral-staircase spiraling spiralling staircase stairs steps structure sturdy turning turns upstairs window wrought-iron gray grey