Examine source code of razer blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "razer blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(157, 157, 157)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(31, 181, 240)",
      "toolbar_field": "rgb(157, 157, 157)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(29, 161, 214)",
      "popup": "rgb(27, 40, 45)",
      "popup_text": "rgba(81, 164, 242, 0.79)",
      "button_background_active": "rgb(27, 40, 45)",
      "tab_loading": "rgb(29, 161, 214)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{42b2b46a-d183-409b-9d62-daf6f62c87d4}"
    }
  }
}