abstract art backdrop background concept creative decoration design elegant element geometric graphic illustration intricate modern ornate painting paper pattern red retro seamless shapes squares texture tile vintage wallpaper white artistic black blend circles color colored colorful colors colour coloured colourful colours decorative delicate detailed patterns image images intricate patterns kaleidoscopic patterns light lines mandala orange perspectives pink small style textures vibrancy vibrant beautiful classic tillable unique Victorian Victoriana 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