Examine source code of Mythmaker Irelia

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mythmaker Irelia",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(121, 119, 119, 0.62)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(206, 45, 48)",
      "tab_background_text": "rgb(206, 45, 48)",
      "toolbar_field": "rgba(219, 164, 164, 0.64)",
      "toolbar_field_text": "rgba(206, 45, 48, 0.7)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgba(206, 45, 48, 0.79)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(109, 16, 16, 0.73)",
      "button_background_hover": "rgba(211, 40, 40, 0.73)",
      "icons_attention": "rgb(161, 0, 5)",
      "icons": "rgb(109, 0, 4)",
      "ntp_background": "rgb(202, 63, 67)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(206, 45, 48)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(161, 0, 5)",
      "sidebar_border": "rgb(212, 35, 40)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(161, 0, 5)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(212, 35, 40)",
      "tab_background_separator": "rgb(109, 0, 4)",
      "tab_loading": "rgb(109, 0, 4)",
      "tab_selected": "rgba(109, 0, 4, 0.61)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(109, 0, 4)",
      "toolbar_field_border": "rgb(202, 63, 67)",
      "toolbar_field_focus": "rgba(206, 45, 48, 0.7)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgba(193, 191, 191, 0.82)",
      "toolbar_field_separator": "rgb(202, 63, 67)",
      "toolbar_top_separator": "rgba(204, 98, 98, 0.4)",
      "toolbar_vertical_separator": "rgba(204, 98, 98, 0.4)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{565a605b-88ce-4739-b61d-eb08ae27147c}"
    }
  }
}