Examine source code of Radioactive

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Radioactive",
  "theme": {
    "images": {
      "additional_backgrounds": []
    },
    "properties": {
      "additional_backgrounds_alignment": [],
      "additional_backgrounds_tiling": []
    },
    "colors": {
      "toolbar": "rgb(128, 122, 0)",
      "toolbar_text": "rgb(15, 255, 0)",
      "frame": "rgb(0, 128, 5)",
      "tab_background_text": "rgb(252, 255, 0)",
      "toolbar_field": "rgb(252, 255, 0)",
      "toolbar_field_text": "rgb(15, 255, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(252, 255, 0)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{81ec057a-51bc-422a-863a-3d7d287f7723}"
    }
  }
}