Examine source code of swirls

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "swirls",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom",
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(241, 219, 142)",
      "toolbar_text": "rgba(133, 58, 3, 0.88)",
      "frame": "rgb(133, 58, 3)",
      "tab_background_text": "rgb(242, 39, 2)",
      "toolbar_field": "rgb(241, 219, 142)",
      "toolbar_field_text": "rgb(239, 38, 8)",
      "tab_line": "rgb(125, 236, 140)",
      "popup": "rgb(162, 141, 69)",
      "popup_text": "rgb(52, 234, 75)",
      "button_background_active": "rgb(125, 236, 140)",
      "button_background_hover": "rgb(118, 143, 223)",
      "frame_inactive": "rgb(162, 141, 69)",
      "icons_attention": "rgb(154, 170, 234)",
      "icons": "rgb(59, 79, 153)",
      "ntp_background": "rgb(194, 199, 218)",
      "ntp_text": "rgb(41, 181, 59)",
      "popup_border": "rgb(238, 242, 160)",
      "popup_highlight_text": "rgb(164, 32, 9)",
      "popup_highlight": "rgb(207, 56, 7)",
      "sidebar_border": "rgb(184, 39, 13)",
      "sidebar_highlight_text": "rgb(241, 219, 142)",
      "sidebar_highlight": "rgb(133, 58, 3)",
      "sidebar_text": "rgb(241, 219, 142)",
      "tab_loading": "rgb(125, 236, 140)"
    }
  }
}