For visual consistency and better look, I think that this extension should be converted to use OOUI.
See current look of some pages:
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Description
Description
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Open | Goal | None | T122014 Convert all extensions/skins to OOUI | ||
| Open | Feature | None | T267640 Convert Extension:Push to use OOUI |