Examine source code of Simply Cork

{
  "theme": {
    "images": {
      "theme_frame": "Cork-Header.jpg"
    },
    "colors": {
      "frame": "#696767",
      "tab_background_text": "#1e9cb8"
    }
  },
  "version": "2.0",
  "name": "Simply Cork",
  "manifest_version": 2,
  "description": "A plain cork texture with dark turquoise font"
}