Examine source code of Graduate Green

{
  "name": "Graduate Green",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "GraduateGreenHcopyCustom.jpg"
    },
    "colors": {
      "frame": "rgba(242, 255, 161, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(240, 255, 158, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(240, 255, 158, 0.03)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d998fc04-16ac-405a-8dab-83fb50ec2a5b}"
    }
  }
}