abstract ancient antique background blank canvas collage color concept creation curled design detail dirty document fill floral frame graphic green grunge illustration image layout old original paper parchment red retro scrapbooking scratches space stained style texture torn unique vector vignette vintage wallpaper worn brown pattern sepia blue white aqua angle angular art backdrop basic board border card colour copy copyspace curve curved frills geometric geometrical line no notice noticeboard outline panel placard poster rectangle shape sign simple simplicity single smooth solid square