abstract art art nouveau backdrop background beautiful blue classic concept creative decoration design elegant element floral geometric graphic illustration intricate ornate paper pattern retro seamless shapes texture tile tileable unique Victorian Victoriana vintage wallpaper white pink appearance blended bright color colored colour coloured dark decorative details edges geometrical interconnected interlinked intertwined light lines patterned patterns perspectives shape shaped squared squares style surface surfaced surfaces symmetrical symmetry textured textures thick thin tiled tiles vibrant artistic colorful colors contrast contrasting serrated-edges colours colourful interlaced interwoven mat multicolored multicoloured distorted distortions intermeshed mesh net ragged random-connections visual-arts jigsaw-like