Examine source code of junebug evergreen

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "junebug evergreen",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(64, 80, 80)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(37, 50, 49)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(95, 112, 112)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(29, 49, 48)",
      "popup": "rgb(56, 79, 79)",
      "popup_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(61, 85, 85)",
      "tab_loading": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(104, 122, 123)",
      "toolbar_field_border": "rgb(104, 122, 123)",
      "toolbar_field_focus": "rgb(74, 95, 95)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3a4682d9-695e-4097-9f49-919150511c48}"
    }
  }
}