Examine source code of Electro Grid

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Electro Grid",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(181, 242, 253, 0.77)",
      "toolbar_text": "rgb(67, 146, 159)",
      "frame": "rgb(39, 118, 192)",
      "tab_background_text": "rgb(152, 164, 225)",
      "toolbar_field": "rgba(156, 237, 252, 0.77)",
      "toolbar_field_text": "rgb(16, 105, 193)",
      "tab_line": "rgb(44, 140, 221)",
      "popup": "rgba(181, 242, 253, 0.77)",
      "popup_text": "rgb(20, 146, 242)",
      "button_background_active": "rgb(73, 130, 187)",
      "button_background_hover": "rgb(73, 130, 187)",
      "frame_inactive": "rgb(73, 130, 187)",
      "icons_attention": "rgb(32, 136, 222)",
      "icons": "rgb(44, 140, 221)",
      "ntp_background": "rgb(61, 139, 153)",
      "ntp_text": "rgb(112, 161, 208)",
      "popup_border": "rgb(18, 128, 219)",
      "popup_highlight_text": "rgb(16, 105, 193)",
      "popup_highlight": "rgb(39, 118, 192)",
      "sidebar_border": "rgb(44, 140, 221)",
      "sidebar_highlight_text": "rgb(16, 105, 193)",
      "sidebar_highlight": "rgb(39, 118, 192)",
      "sidebar_text": "rgba(156, 237, 252, 0.77)",
      "tab_loading": "rgb(44, 140, 221)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{608a5557-2e68-408d-ad0c-d97b455487fe}"
    }
  }
}