Examine source code of load

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "load",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.57)",
      "toolbar_text": "rgb(198, 108, 82)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(241, 193, 185)",
      "toolbar_field": "rgba(187, 179, 179, 0.3)",
      "toolbar_field_text": "rgb(173, 80, 63)",
      "tab_line": "rgb(219, 69, 39)",
      "popup": "rgba(0, 0, 0, 0.87)",
      "popup_text": "rgb(179, 48, 29)",
      "tab_loading": "rgb(219, 69, 39)"
    }
  }
}