Examine source code of kitkat

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "kitkat",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgb(249, 193, 170)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(235, 23, 23)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(247, 223, 223)",
      "toolbar_field_text": "rgb(174, 78, 17)",
      "tab_line": "rgb(206, 58, 91)",
      "popup": "rgb(249, 193, 170)",
      "popup_text": "rgb(136, 58, 11)",
      "button_background_hover": "rgba(239, 213, 204, 0.23)",
      "icons": "rgb(134, 62, 18)",
      "popup_border": "rgb(231, 135, 78)",
      "tab_loading": "rgb(206, 58, 91)"
    }
  }
}