files / browser / components / preferences / widgets
| Mode | Name | Size |
| d--------- | dialog-button/ | - |
| d--------- | nav-notice/ | - |
| d--------- | placeholder-message/ | - |
| d--------- | security-privacy/ | - |
| d--------- | setting-control/ | - |
| d--------- | setting-element/ | - |
| d--------- | setting-group/ | - |
| d--------- | setting-pane/ | - |
| d--------- | sync-device-name/ | - |
| d--------- | sync-engine-list/ | - |