Loading of CSS styles seems broken on nl.wikisource.org
Example: https://nl.wikisource.org/wiki/Pagina:Darwin_-_Het_ontstaan_der_soorten_(1860).djvu/450
After reading the recent changes it seems to have happened around 12 UTC, June 22, 2016
https://nl.wikisource.org/wiki/Speciaal:RecenteWijzigingen