Несколько классов React module

.auth__button {
  width: 365px;
  padding: 10px 20px;
  border-radius: 4px;
  border: 0px;
  bottom: 565px;
}
.auth__button__primary {
  margin-top: 32px;
  background: #005ff9;
  color: #fff;
}
.auth__button__second {
  margin-top: 12px;
  background: rgba(0, 16, 61, 0.06);
  color: rgba(0, 16, 61, 0, 06);
}

        <Button
                    type="submit"
                    bsPrefix={(s.auth__button, s.auth__button__primary)}
                  >
                    Войти
                  </Button>
                  <Button
                    type="reset"
                    bsPrefix={(s.auth__button, s.auth__button__second)}
                  >
                    Восстановить пароль
                  </Button>