Brilliant film of the old school . . . steelbook less so.
Artwork adapted from just about the most recognizable book cover . . . only changed from Scout swinging on a tyre to Scout swinging on a noose (maybe representative of the joy at the lynching that never happened)
Not liking the title style as reminding me of "Sausage Party" . . . only more so with the noose (lol) . . . although I can see that the plan was to mimic the artwork and reinforce the sense of momentum of the swing.
As for silhouette steelbook artwork: this not at all one of the better examples and it's been done to better effect in these two examples:-