I am sure luca and Livio can read this and I can make out some of it but I think it would be better if the image were larger. The date of the document is 28 Apr 1900. They both were 25 years old. Giulia was a housewife and Gentile a laborer, she was the daughter of Giuseppe and Luisa di xxx(too small for me to read). Gentile was the son of Pasquale and Carmela XXX( too small for me to read. With better resolution the birth places, the current residences, and the other names would be easier to decipher.
The experts will come to you rescue soon