Describe the problem

The "Filter by" sidebar on the Tutorials and Sample pages is not functioning properly on mobile screens. Currently, there is no visible close icon, making it difficult for users to close the filter panel after opening it.

Expected fix

A close icon/button should be added to the "Filter by" wrapper on mobile screens to allow users to easily close the sidebar.

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

Chrome

Additional context

No response

I would like to fix this problem.

• I will try and fix this problem on docs.flutter.dev.