The Question and Answer section for Life is Beautiful is a great resource to ask questions, find answers, and discuss the novel.
Guido wants to open a bookstore.
The mood in the film is illuminated by the lighting used in filming. Dark lighting accompanies both sadness and romance. Bright lights accompany hopefulness and happiness.
Bright lighting is present in the first scene.
I don't know how far you are in the movie. Director Roberto Benigni balances the horror of WW2 with the theme of hope and beauty.