The stories told by los viejitos inspired Anaya's love of words and books
Eddie states "I need to get a life, job"
A modifier is a word(s) in a sentence that help describe a certain person/place/thing(noun).
Now, this may be incorrect, but I'm going to give you two options from an Author's prospective.
I would take away colorful. Because everyone know's fireworks tend to be full of color and excitement, it just seems a little bit too much extra to me.
my second option would be to take away sky. Fireworks are known to be shown in the sky, and night seems like a detail you don't want to remove for the way it sounds.
I hope this helps you!