Updated Composer Style

Thanks to our designer @awesomerobot we’ve got a new look and feel for the topic/post composer.

Our old composer was full-width and very, very grey.

The new design removes the “sea of grey”, and also removes full-width so the composer looks much cleaner when viewed on wide screen devices.

For any bugs/issues noticed with new new design, please share your feedback in Help us test a new composer style.