To change the color of the firework, click on the circle with the color of your choice. To change the size of the firework, click the size buttons (small, regular, and large). Click where you want the firework to appear. Enjoy!
I did this all by myself, and it took only a day, but I worked extra hard on it. Music is Clear Day from bensound.com and firework pop sound from fesliyanstudios.com. March 15, 2021 Wow, already 1050 views! Thank you!