Examine source code of Green

{
  "name": "Green",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2022-10-15 153347.png"
    },
    "colors": {
      "frame": "rgba(11, 88, 65, 1)",
      "tab_background_text": "rgba(241, 243, 244, 1)",
      "toolbar": "rgba(19, 124, 93, 1)",
      "bookmark_text": "rgba(241, 243, 244, 1)",
      "toolbar_field": "rgba(22, 103, 80, 1)",
      "toolbar_field_text": "rgba(241, 243, 244, 1)",
      "tab_line": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a09400d-a658-4aea-81ad-03bc44e877bf}"
    }
  }
}