Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Some viewswitcher properties were removed from shared.css but were kept in Adwaita.css.
This action made viewswitcher buttons look weird on themes other than Adwaita.
I brought back some of the CSS (mostly related to sizing) and changes look like this.