abstract backdrop background burst colors colours concept design desktop dramatic faded fan flare gradient graphic high resolution illustration image lines offset old paint pattern patterns red retro shape smear spectacular sunburst texture unique vector wallpaper white blue grunge pink dez pain xymonau yellow colorful colourful crisp detail equation formula formulas Fractal fractals high julia mandelbrot math mathematics resolution sundfractals 3D art beautiful black colour decoration embossed flower foil hi res metal petals pretty scrapbooking shiny silver spring symbol grey brown cardboard color copyspace cover Dirt grungy hi-res paper parchment sepia smudge stains green teal