Examine source code of Red Anime Art

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "redanime0923",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(85, 6, 0, 0.6)",
      "toolbar_text": "rgb(226, 226, 226)",
      "frame": "rgb(70, 3, 0)",
      "tab_background_text": "rgb(255, 202, 200)",
      "toolbar_field": "rgba(0, 0, 0, 0.6)",
      "toolbar_field_text": "rgb(255, 156, 154)",
      "tab_line": "rgb(181, 0, 0)",
      "popup": "rgb(62, 5, 0)",
      "popup_text": "rgb(241, 182, 177)",
      "button_background_active": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(177, 0, 0, 0.8)",
      "frame_inactive": "rgba(0, 0, 0, 0.83)",
      "popup_border": "rgb(255, 255, 255)",
      "tab_loading": "rgba(161, 1, 1, 0.73)",
      "tab_selected": "rgba(0, 0, 0, 0.75)",
      "tab_text": "rgb(255, 144, 144)",
      "toolbar_field_border": "rgb(116, 3, 0)",
      "toolbar_field_highlight_text": "rgb(255, 0, 0)",
      "toolbar_field_highlight": "rgb(70, 0, 1)",
      "toolbar_top_separator": "rgba(255, 193, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a6075356-9ad9-4c3a-b5c3-56db62a7e78e}"
    }
  }
}