Examine source code of cirkels purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "cirkels purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(83, 12, 116, 0.7)",
      "toolbar_text": "rgb(243, 232, 242)",
      "frame": "rgb(83, 12, 116)",
      "tab_background_text": "rgb(233, 228, 233)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(238, 243, 238)",
      "tab_line": "rgb(243, 240, 244)",
      "popup": "rgb(242, 238, 244)",
      "popup_text": "rgb(158, 7, 240)",
      "tab_loading": "rgb(243, 240, 244)"
    }
  }
}