Examine source code of CS Vivaldi

{
  "theme": {
    "images": {
      "theme_frame": "csvivaldiheader.jpg"
    },
    "colors": {
      "frame": "#565c5e",
      "tab_background_text": "#e1e7e8"
    }
  },
  "version": "2.0",
  "name": "CS Vivaldi",
  "manifest_version": 2,
  "description": "Another design from a picture I took at the Collective Soul concert May 23, 2009. This time, the font I used is \"Vivaldi\", hence the name."
}