Note

• Filled as follow-up for bug 1539089;

Affected versions

• Firefox 68.0, 68.0b13,

Affected platforms

• Windows 10, macOS 10.14, Ubuntu 16.04;

Steps to reproduce

1. Launch Firefox and access about:url-classifier
2. Click on the Blacklist button from the list type section.

Expected result

• Elements are properly centered within their containers;

Actual result

• The text baseline is the same as for the dropdown button icon;

Regression range

• not a regression;
• initial issue appeared with adding the dropdown (bug 1513298);
• bug 1539089 addressed the issue, but the fix is incomplete;

Additional notes

• it would look better if both are centered;
• as per my comments from that bug, with the current implementation the text would need to be moved lower by ~2px in the button
• while at it, even the dropdown menu would benefit from some extra padding;

Attaching screenshot for better visibility