Lepton Era

Lepton Era is an era.

Leptons
The battle of the leptons from the anti leptons has ended by a second, neutrinos and electrons have a counterpart, by one second, positrons are annihilated by the electrons. The electrons becomes common in the opaque era, by 3.25 minutes. All matters are common as well causing it to make the universe foggy.

Size
The universe became larger at a second, but it'll be unknown further on and on.