colorful fireworks new year 2025 celebration - festive city skyline

colorful fireworks year design festive art holiday year theme celebration art nightlife gold fireworks display year countdown event graphics celebration graphics year party party decor vector illustrative festive background holiday season year celebration 2025 celebration firework display cityscape event marketing party invitation graphic design colorful night celebrate festivities year's eve countdown celebratory social media greeting cards event planning holiday golden numbers vector art party night sky city skyline festive celebration fireworks