Examine source code of Vivid Desert

{
  "theme": {
    "images": {
      "theme_frame": "VIVIDDESERT.jpg"
    },
    "colors": {
      "frame": "#abced1",
      "tab_background_text": "#3b0745"
    }
  },
  "version": "2.0",
  "name": "Vivid Desert",
  "manifest_version": 2,
  "description": "Mountains, snow and palms in the California Desert."
}