abstract backdrop background blue cold cool design flake gradient graphics line lines modern ray rays snow star vector winter colours desktop dez pain electric elements fantasy graphic lightstorm silky texture wallpaper wild xymonau blur bokeh circles clip art clipart defocus dots illustration light lights spots art illustration gray background powerpoint presentation shiny vector graphic water waves waves apophysis bubble bubbles card earth Fractal green orbital space stars Tinneketin aqua glass pattern shapes squares stained glass tiles turquoise pale pink