Examine source code of More Orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "More Orange",
  "author": "Hexandcube",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(240, 110, 61)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(240, 110, 61)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(245, 140, 72)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(237, 219, 157)",
      "popup": "rgb(240, 110, 61)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(245, 140, 72)",
      "popup_border": "rgba(255, 0, 4, 0)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(240, 110, 61)",
      "sidebar_border": "rgba(240, 110, 61, 0)",
      "sidebar_highlight": "rgb(245, 140, 72)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(240, 110, 61)",
      "toolbar_bottom_separator": "rgb(240, 110, 61)",
      "toolbar_field_border": "rgba(255, 255, 255, 0)",
      "toolbar_field_highlight": "rgb(221, 76, 57)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgba(255, 57, 60, 0)",
      "tab_loading": "rgb(237, 219, 157)"
    }
  }
}