Issue Summary

While editing the bitbucket-pipelines.yml file, the "Variables" button is missing a proper icon and is too small, making it difficult to click.

Steps to Reproduce

1. Open a repository in Bitbucket.
2. Navigate to the bitbucket-pipelines.yml file.
3. Attempt to edit the file.
4. Locate the "Variables" button in the editor interface.

Expected Results

The "Variables" button should display a clear, appropriate icon and be large enough to click easily.

Actual Results

The "Variables" button is missing a proper icon and is too small, making it difficult to interact with.

Workaround

Manually edit the variables from repository settings > Repository Variables

Additional notes

If the variable name is long, the button positioning will lose the alignment.