Examine source code of Miku Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Miku Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(31, 34, 61, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(13, 6, 21)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgba(13, 6, 21, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(229, 194, 255, 0.59)",
      "popup": "rgba(21, 13, 32, 0.91)",
      "popup_text": "rgb(215, 226, 239)",
      "frame_inactive": "rgb(11, 11, 11)",
      "toolbar_bottom_separator": "rgba(255, 255, 255, 0)",
      "toolbar_field_border": "rgba(255, 255, 255, 0)",
      "toolbar_top_separator": "rgba(61, 39, 173, 0)",
      "tab_loading": "rgba(229, 194, 255, 0.59)"
    }
  }
}