"The buttons common pin should be to ground, not +Vcc. This way you can use internal pullup resistors and have buttons active low."
Exactly!
You do not want ANY button connecting directly to +5V. Only reset should be pulled high, and 10K resistor is all that's needed.
Everything connects to Gnd when pushed, with either the internal pullups used to hold the pins high when the switch is open, or external 10K resistors like on the reset line.