Examine source code of Purple Mountain Moon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Lavender Moon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(236, 220, 249, 0.4)",
      "toolbar_text": "rgb(16, 19, 93)",
      "frame": "rgb(223, 182, 246)",
      "tab_background_text": "rgb(159, 65, 190)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(212, 167, 227)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(236, 220, 249)",
      "popup_text": "rgb(159, 65, 190)",
      "button_background_active": "rgb(213, 138, 216)",
      "ntp_text": "rgb(159, 65, 190)",
      "popup_border": "rgb(28, 32, 114)",
      "toolbar_bottom_separator": "rgb(213, 138, 216)",
      "toolbar_field_border": "rgb(64, 15, 123)",
      "toolbar_top_separator": "rgb(58, 15, 123)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  }
}