Examine source code of Star Wars Pixel

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Star Wars animated",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom",
        "right center",
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(227, 0, 0, 0)",
      "toolbar_text": "rgb(175, 34, 34)",
      "frame": "rgb(94, 120, 120)",
      "tab_background_text": "rgb(0, 255, 39)",
      "toolbar_field": "rgba(143, 0, 0, 0)",
      "toolbar_field_text": "rgb(255, 0, 0)",
      "tab_line": "rgb(0, 243, 0)",
      "popup": "rgb(250, 0, 0)",
      "popup_text": "rgb(248, 248, 251)",
      "icons_attention": "rgb(255, 0, 250)",
      "icons": "rgb(247, 0, 0)",
      "sidebar_border": "rgb(0, 215, 37)",
      "sidebar_highlight_text": "rgba(35, 38, 35, 0.67)",
      "sidebar_highlight": "rgba(0, 255, 0, 0.53)",
      "sidebar_text": "rgb(255, 0, 0)",
      "sidebar": "rgb(13, 13, 13)",
      "tab_background_separator": "rgb(22, 255, 6)",
      "tab_loading": "rgb(235, 0, 245)",
      "tab_selected": "rgba(22, 253, 5, 0.23)",
      "toolbar_bottom_separator": "rgb(255, 0, 0)",
      "toolbar_field_border": "rgba(8, 8, 8, 0)",
      "toolbar_field_highlight_text": "rgb(35, 94, 95)",
      "toolbar_field_highlight": "rgb(0, 250, 255)",
      "toolbar_field_separator": "rgba(229, 0, 246, 0)",
      "toolbar_field_text_focus": "rgb(232, 0, 242)",
      "toolbar_top_separator": "rgba(245, 0, 0, 0)",
      "toolbar_vertical_separator": "rgba(12, 1, 1, 0)"
    }
  }
}