See below for each available edition of Vivaldi VH.
Available as vivaldi-vh.css.
The default edition of Vivaldi VH, created with the intent of preserving the original aesthetic of the browser UI and changing just enough to fit all UI elements into a Pillar to the side of the webpage.
Available as vivaldi-vh-vivalarc.css.
This edition of Vivaldi VH is designed to be used in combination with the VivalArc CSS modification by tovi. Some functionality may be missing or changed compared to the default edition.