Examine source code of Purple head

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple head",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-018-0ca3dfc7bb661ec53999d358812ce0ab.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(69, 1, 50)",
      "toolbar_text": "rgb(211, 246, 11)",
      "frame": "rgb(16, 17, 21)",
      "tab_background_text": "rgb(246, 246, 239)",
      "toolbar_field": "rgb(0, 1, 7)",
      "toolbar_field_text": "rgb(249, 249, 4)",
      "tab_line": "rgb(181, 57, 145)",
      "popup": "rgb(27, 0, 21)",
      "popup_text": "rgb(190, 239, 4)",
      "icons_attention": "rgba(244, 241, 240, 0.01)",
      "popup_border": "rgb(40, 1, 30)",
      "popup_highlight": "rgb(246, 246, 239)",
      "sidebar_border": "rgb(84, 79, 82)",
      "sidebar_text": "rgb(218, 249, 39)",
      "sidebar": "rgb(45, 5, 37)",
      "tab_selected": "rgb(84, 3, 61)",
      "toolbar_top_separator": "rgb(9, 0, 8)",
      "tab_loading": "rgb(181, 57, 145)"
    }
  }
}