Examine source code of Cartoony

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cartoony",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-027-1049af643fc55b4ffd4a8575444547c5.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(233, 243, 234)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(209, 179, 179)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(235, 213, 166)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(158, 211, 125)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(164, 99, 99)",
      "button_background_hover": "rgb(223, 123, 123)",
      "ntp_background": "rgb(215, 209, 209)",
      "ntp_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(255, 0, 0)",
      "tab_selected": "rgb(158, 211, 125)",
      "toolbar_bottom_separator": "rgb(0, 0, 0)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(154, 20, 20)",
      "toolbar_top_separator": "rgb(0, 0, 0)"
    }
  }
}