Examine source code of Go Blue Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Go Blue Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(150, 218, 255)",
      "toolbar_text": "rgb(78, 78, 78)",
      "frame": "rgb(94, 195, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(60, 60, 60)",
      "tab_line": "rgb(114, 202, 255)",
      "popup": "rgb(167, 222, 255)",
      "popup_text": "rgb(47, 47, 47)",
      "popup_border": "rgb(111, 202, 255)",
      "sidebar_highlight_text": "rgb(0, 159, 255)",
      "sidebar_text": "rgb(0, 159, 255)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_selected": "rgb(96, 196, 255)",
      "tab_text": "rgb(46, 46, 46)",
      "toolbar_bottom_separator": "rgb(143, 216, 255)",
      "toolbar_field_border": "rgb(250, 250, 250)",
      "toolbar_top_separator": "rgb(143, 216, 255)",
      "tab_loading": "rgb(114, 202, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{04fbcd4e-3834-4079-8a2f-2fe0a6323757}"
    }
  }
}