Examine source code of UniFox Light

{
  "name": "UniFox Light",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "transparent-1px.gif"
    },
    "colors": {
      "frame": "rgba(234, 234, 234, 1)",
      "tab_background_text": "rgba(60, 67, 77, 1)",
      "toolbar": "rgba(239, 240, 241, 1)",
      "bookmark_text": "rgba(99, 108, 122, 1)",
      "toolbar_field": "rgba(252, 252, 252, 1)",
      "toolbar_field_text": "rgba(60, 67, 77, 1)"
    }
  }
}