Examine source code of Blissfully Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Fantasy",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom",
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(220, 181, 253, 0.59)",
      "toolbar_text": "rgb(8, 1, 14)",
      "frame": "rgb(220, 181, 253)",
      "tab_background_text": "rgb(216, 135, 223)",
      "toolbar_field": "rgba(8, 1, 14, 0.29)",
      "toolbar_field_text": "rgb(220, 181, 253)",
      "tab_line": "rgb(219, 116, 208)",
      "popup": "rgba(205, 24, 234, 0.4)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(219, 116, 208)"
    }
  }
}