Examine source code of Holiday Glass

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Holiday Glass",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.25)",
      "toolbar_text": "rgb(233, 233, 233)",
      "frame": "rgb(94, 82, 60)",
      "tab_background_text": "rgb(233, 233, 233)",
      "toolbar_field": "rgba(0, 0, 0, 0.15)",
      "toolbar_field_text": "rgb(233, 233, 233)",
      "tab_line": "rgb(61, 68, 41)",
      "popup": "rgb(179, 163, 130)",
      "popup_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(128, 89, 51)",
      "toolbar_field_border_focus": "rgb(100, 70, 43)",
      "toolbar_field_border": "rgb(101, 68, 33)",
      "toolbar_field_focus": "rgb(106, 83, 53)",
      "toolbar_top_separator": "rgb(98, 74, 51)",
      "tab_loading": "rgb(61, 68, 41)"
    }
  }
}