Address incorrect UI layout in demo

[blackfalcon]

General Support Request

See screenshot.

This demo layout is inconsistent wth the rest of the demo elements in the page.

Possible Solution

Update the example wrapper to include the flex selector.

<div class="exampleWrapper exampleWrapper--flex">

Additional context

This was correct with this commit in a previous PR that was closed and not merged into the update.

66ad694

Exit criteria

This issue can be closed once the UI has been updated to be consistent with the rest of the demo page.