luxurious 2025 written in gold with festive fireworks and glowing star accents on a deep blue backdrop, ideal wallpaper background

celebration background typography decorative luxurious fireworks wallpaper countdown starburst explosion backdrop midnight metallic abstract luminous artistic written festive glowing accents sparkle shimmer display radiant elegant vibrant holiday luxury design bright cosmic golden ornate modern ideal stars night party shine 2025 gold star deep blue year sky