Minecraft transparency problem between blocks

Hello, I do not understand, I have a problem of transparency between the blocks, I do not understand I took you a screen in the dark so that we can see my problem clearly, I have already tried to uninstall my java and install a new one, always the same problem.

if you think it is the graphics drivers give me the procedure to do in order to solve this problem, because it is a problem that happens to me on this games