patx

@jeremypw this looks pretty good. I think a grey background for the numbers looks more modern with the white main background. I also assume elemenatry wants to keep their current...

Could we run `executor.shutdown()` with `asyncio.run_in_executor()` like so: ```python async def __aexit__(self, exc, value, tb): if not self.token: return executor = SyncToAsync.context_to_thread_executor.pop(self, None) if executor: loop = asyncio.get_running_loop() await loop.run_in_executor(None,...