Examine source code of Anime Gesugao

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Anime Gesugao",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(27, 40, 45, 0)",
      "toolbar_text": "rgb(143, 143, 143)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(140, 140, 140)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(35, 205, 179)",
      "popup": "rgb(55, 55, 55)",
      "popup_text": "rgb(196, 196, 196)",
      "icons": "rgb(255, 0, 41)",
      "ntp_background": "rgb(55, 55, 55)",
      "sidebar_border": "rgb(28, 28, 28)",
      "sidebar_text": "rgb(234, 234, 234)",
      "sidebar": "rgb(55, 55, 55)",
      "toolbar_field_separator": "rgb(165, 165, 165)",
      "tab_loading": "rgb(35, 205, 179)"
    }
  }
}