Bugzilla

**Note**
* This issue became more evident after the removing of the selected tab's indicator. 

**Affected versions**
* Firefox 90.0a1
* Firefox 89.0b2

**Affected platforms**
* Ubuntu 18.04 x64
* macOS 10.15

**Steps to reproduce**
1.  Open 20+ tabs in Firefox.
2. Click on the "List all tabs" button.
3. Select a random site from the list and click on the "List all tabs" button again.

**Expected result**
* The selected site is bolded.

**Actual result**
* The selected site is bolded, but the difference between it and the other sites is so discret that it's really hard to notice. 

**Regression range**
* This is not a regression. I can reproduce the issue on builds from 2018-08-07. Before that the text wasn't bolded.

**Additional notes**
* This issue is more evident on macOS than Ubuntu.

**Note**
* This issue became more evident after the removing of the selected tab's indicator. 

**Affected versions**
* Firefox 90.0a1
* Firefox 89.0b2

**Affected platforms**
* Ubuntu 18.04 x64
* macOS 10.15

**Pre4condition**
- Use a dark theme for the browser.

**Steps to reproduce**
1.  Open 20+ tabs in Firefox.
2. Click on the "List all tabs" button.
3. Select a random site from the list and click on the "List all tabs" button again.

**Expected result**
* The selected site is bolded.

**Actual result**
* The selected site is bolded, but the difference between it and the other sites is so discret that it's really hard to notice. 

**Regression range**
* This is not a regression. I can reproduce the issue on builds from 2018-08-07. Before that the text wasn't bolded.

**Additional notes**
* This issue is more evident on macOS than Ubuntu.

**Note**
* This issue became more evident after the removing of the selected tab's indicator. 

**Affected versions**
* Firefox 90.0a1
* Firefox 89.0b2

**Affected platforms**
* Ubuntu 18.04 x64
* macOS 10.15

**Pre4condition**
- Use a dark theme for the browser.

**Steps to reproduce**
1.  Open 20+ tabs in Firefox.
2. Click on the "List all tabs" button.
3. Select a random site from the list and click on the "List all tabs" button again.

**Expected result**
* The selected site is bolded.

**Actual result**
* The selected site is bolded, but the difference between it and the other sites is so discret that it's really hard to notice. 

**Regression range**
* This is not a regression. I can reproduce the issue on builds from 2018-08-07. Before that the text wasn't bolded.

**Additional notes**
* This issue is more evident on macOS than Ubuntu.
* This issue is reproducing even if the os has a dark theme selected and Firefox is set to System Theme.