Affected versions

• 79.0a1 (2020-06-16), 78.0b7;

Affected platforms

• Windows 10, macOS 10.15.5, Ubuntu 18.04;

Steps to reproduce

1. Launch Firefox, access any page-article (ex.);
2. Click on the Reader mode button;
3. Click on the Type Controls button;
4. Hover over the buttons to change size/spacing;

Enhancement suggestion

• increase the size of the numbers;

Actual result

• hovering over buttons shows that they are double the size of the value indicators;

Regression range

• not a regression, introduced with new design;

Additional notes

• attached screenshot to illustrate the difference;
• while in its self it's not an issue, it is all that extra available space that is not used for nothing;
• on wider/bigger screens this would increase visibility of the values, making people happy.

Updating for 83.0b1, 84.0a1 (2020-10-19).