abstract image of a glowing, golden heart made of sparkles. the heart is set against a dark purple background

golden sparkles magical romantic illustration background banner dark holiday light heart love valentine abstract art blue color concept decoration design element frame graphic isolated style vector happy bright day electric glow glowing lamp line neon night red romance shape sign signboard symbol 80 1980 artistic backdrop beautiful beauty black colorful cool cover creative cube decorative energy fun idea magenta modern plasma round smooth spectrum trendy violet vivid wallpaper web yellow 3d affection caring emotion happyvalentine render billboard border ai generated