Examine source code of TestName

{
  "name": "TestName",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "kitten-outside.jpg"
    },
    "colors": {
      "frame": "rgba(41, 73, 148, 1)",
      "tab_background_text": "rgba(143, 43, 43, 1)",
      "toolbar": "rgba(37, 102, 99, 1)",
      "bookmark_text": "rgba(64, 35, 97, 1)",
      "toolbar_field": "rgba(47, 196, 99, 1)",
      "toolbar_field_text": "rgba(212, 129, 78, 1)",
      "tab_line": "rgba(214, 198, 50, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b14840f-ec80-4cbf-9b0c-127f6e360d3a}"
    }
  }
}