Examine source code of Blasphemous Animated (GotP)

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Blasphemous Animated (GotP) v2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.01)",
      "toolbar_text": "rgb(194, 37, 23)",
      "frame": "rgb(39, 44, 53)",
      "tab_background_text": "rgb(88, 23, 17)",
      "toolbar_field": "rgba(69, 74, 80, 0.39)",
      "toolbar_field_text": "rgb(88, 23, 17)",
      "tab_line": "rgb(88, 23, 17)",
      "popup": "rgb(156, 169, 184)",
      "popup_text": "rgb(88, 23, 17)",
      "button_background_active": "rgba(69, 74, 80, 0.39)",
      "button_background_hover": "rgba(69, 74, 80, 0.39)",
      "frame_inactive": "rgb(39, 44, 53)",
      "icons_attention": "rgb(39, 44, 53)",
      "icons": "rgb(194, 37, 23)",
      "ntp_background": "rgb(111, 119, 129)",
      "ntp_text": "rgb(88, 23, 17)",
      "popup_border": "rgb(39, 44, 53)",
      "popup_highlight_text": "rgb(194, 37, 23)",
      "popup_highlight": "rgba(39, 44, 53, 0.67)",
      "sidebar_border": "rgb(88, 23, 17)",
      "sidebar_highlight_text": "rgb(156, 169, 184)",
      "sidebar_highlight": "rgb(81, 39, 35)",
      "sidebar_text": "rgb(194, 37, 23)",
      "sidebar": "rgb(39, 44, 53)",
      "tab_background_separator": "rgb(194, 37, 23)",
      "tab_loading": "rgba(156, 169, 184, 0.53)",
      "tab_selected": "rgba(111, 119, 129, 0.31)",
      "tab_text": "rgb(194, 37, 23)",
      "toolbar_bottom_separator": "rgb(88, 23, 17)",
      "toolbar_field_border_focus": "rgb(194, 37, 23)",
      "toolbar_field_border": "rgba(255, 255, 255, 0.01)",
      "toolbar_field_focus": "rgba(156, 169, 184, 0.61)",
      "toolbar_field_highlight_text": "rgb(236, 28, 9)",
      "toolbar_field_highlight": "rgba(39, 44, 53, 0.67)",
      "toolbar_field_separator": "rgba(255, 255, 255, 0.01)",
      "toolbar_field_text_focus": "rgb(39, 44, 53)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0.01)",
      "toolbar_vertical_separator": "rgb(194, 37, 23)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8b78238e-f92f-43c6-a44f-1f8e3cf8c907}"
    }
  }
}