Examine source code of Country Time

{
  "name": "Country Time",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "HorseBarnH.jpg"
    },
    "colors": {
      "frame": "rgba(239, 238, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(240, 239, 232, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(240, 239, 232, 0.05)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(107, 8, 8, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7f3408f7-a3da-408d-91ef-b7e1f60725c1}"
    }
  }
}