I don't have "new Twitter" so I can't test this yet, but Safari users can probably use the (for-sale-on-App-Store) Cascadea extension and plug in the stylesheet

I don't have "new Twitter" so I can't test this yet, but Safari users can probably use the (for-sale-on-App-Store) Cascadea extension and plug in the stylesheet from https://github.com/thomaswangio/minimal-twitter/blob/master/chrome/minimal-twitter.css https://github.com/thomaswangio/minimal-twitter/blob/master/...