magenta pink star-spangled bright space simple primitive background. universal festive backdrop for postcards, banners, greeting

abstract art artistic artwork astronomy backdrop background banners bright celestial constellation cosmic cosmos creativity deep design digital drawn effects energy fantastical fantasy festive galaxy glittery glow glowing graphic greeting grunge illustration infinity light lighting magenta modern nebula nebulae outer pink postcards primitive shine shiny simple sky space sparkle spot stain star starry stars starspangled surface texture textured twinkle universal universe versatile