Examine source code of testcd

{
  "name": "test",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "2c9c20954029da1dec1020493d9b1347.jpg"
    },
    "colors": {
      "frame": "rgba(25, 76, 194, 1)",
      "tab_background_text": "rgba(150, 57, 57, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9dc0e3d8-88b1-45d5-bcb3-625f266ddf49}"
    }
  }
}