Examine source code of Blackpink chibi

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blackpink chibi ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(226, 201, 192)",
      "toolbar_text": "rgb(58, 53, 53)",
      "frame": "rgb(212, 171, 156)",
      "tab_background_text": "rgb(58, 53, 53)",
      "toolbar_field": "rgb(238, 224, 221)",
      "toolbar_field_text": "rgb(58, 53, 53)",
      "tab_line": "rgb(212, 171, 156)",
      "popup": "rgb(238, 224, 221)",
      "popup_text": "rgb(58, 53, 53)",
      "tab_loading": "rgb(212, 171, 156)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9c17c638-01ea-486f-bafc-0a5c44f72179}"
    }
  }
}