Examine source code of Xenoblade 2 Theme

{
  "manifest_version": 2,
  "version": "5.0",
  "name": "Xenoblade 2 Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 51, 42)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(1, 18, 16)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(76, 76, 78)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(253, 40, 94)",
      "popup": "rgb(40, 40, 44)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(196, 16, 62)",
      "button_background_hover": "rgb(196, 16, 62)",
      "frame_inactive": "rgb(21, 11, 11)",
      "icons_attention": "rgb(253, 40, 94)",
      "icons": "rgb(233, 206, 150)",
      "ntp_background": "rgb(32, 33, 36)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(253, 40, 94)",
      "popup_highlight_text": "rgb(255, 232, 185)",
      "popup_highlight": "rgb(5, 45, 38)",
      "sidebar_border": "rgb(253, 40, 94)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(3, 135, 113)",
      "sidebar_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(253, 40, 94)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8d036e5f-d763-4cfd-8938-886493272a51}"
    }
  }
}