Screen dimensions - @ mediaqueries

[colomet]

How many breakpoints do we need? I believe 5. Are too many?
(< 320px) - (<544p) - (<768px) (<992px) (<1200px)

Now we have (max-device-width: 320px) (max-device-width: 480px) (max-width: 768px) (max-width: 1024px)