Examine source code of Hat man

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Hat man",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(123, 110, 123, 0.42)",
      "toolbar_text": "rgba(145, 123, 151, 0.34)",
      "frame": "rgb(137, 126, 143)",
      "tab_background_text": "rgb(130, 114, 130)",
      "toolbar_field": "rgba(83, 78, 86, 0.32)",
      "toolbar_field_text": "rgba(123, 127, 204, 0.23)",
      "tab_line": "rgba(248, 112, 242, 0.33)",
      "popup": "rgba(97, 95, 98, 0.21)",
      "popup_text": "rgb(25, 25, 26)",
      "button_background_active": "rgb(154, 118, 169)",
      "tab_loading": "rgba(248, 112, 242, 0.33)"
    }
  }
}