Examine source code of Pijanito

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pijanito",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(230, 230, 230)",
      "toolbar_text": "rgb(76, 46, 5)",
      "frame": "rgb(76, 46, 5)",
      "tab_background_text": "rgb(230, 230, 230)",
      "toolbar_field": "rgb(230, 230, 230)",
      "toolbar_field_text": "rgb(76, 46, 5)",
      "tab_line": "rgb(255, 0, 4)",
      "popup": "rgb(230, 230, 230)",
      "popup_text": "rgb(76, 46, 5)",
      "button_background_active": "rgb(249, 166, 32)",
      "button_background_hover": "rgb(23, 126, 137)",
      "sidebar_border": "rgb(76, 46, 5)",
      "sidebar_text": "rgb(76, 46, 5)",
      "tab_background_separator": "rgb(230, 230, 230)",
      "tab_loading": "rgb(0, 255, 29)",
      "toolbar_bottom_separator": "rgb(23, 126, 137)",
      "toolbar_field_border": "rgb(23, 126, 137)",
      "toolbar_field_separator": "rgb(23, 126, 137)",
      "toolbar_top_separator": "rgb(23, 126, 137)",
      "toolbar_vertical_separator": "rgb(23, 126, 137)"
    }
  }
}