The Witcher wiki now has a light themed alternative for the wiki skin. To check it out, go to Special:Preferences, then choose the "Appearance" tab and click on the radio button next to "Hydra".
Carla Demetia Crest
Carla Demetia Crest is a sorceress and one of the many famous graduates of Aretuza. She is also the author of the manuscript "The Trial of Grasses and other secret Witcher practices, seen by my own eyes".