All that matters is moving forward.
Squat: Try to turn your elbow and get it closer under the bar..it'll tighten you lats (fire those hard) and your chest stays up a lot more.
Deadlift: You'll find a head position you like, but being neutral makes it feel lighter for me since im tighter. Also, if you lower head (look at one position and keep it there) while pulling. it'll be easier since the bar moves a couple inches less.