In Layout > Introduction Has Layout Inconsistency for Images

### Describe the problem

### Some images are full-width and centered, while others are smaller and aligned to the left.

### Expected fix

This is commonly caused by inconsistent styling I will improve styling for this images make it consistent.

### On which browser(s) did you experience this issue?

Chrome

### Additional context

_No response_

### I would like to fix this problem.

- [x] I will try and fix this problem on docs.flutter.dev.