Examine source code of Shattering Radiance

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Shattering Radiance",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center",
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(108, 103, 109)",
      "toolbar_text": "rgb(220, 218, 221)",
      "frame": "rgb(56, 56, 56)",
      "tab_background_text": "rgb(37, 38, 39)",
      "toolbar_field": "rgb(103, 36, 54)",
      "toolbar_field_text": "rgb(244, 222, 244)",
      "tab_line": "rgb(117, 116, 118)",
      "popup": "rgb(99, 94, 94)",
      "popup_text": "rgb(244, 236, 244)",
      "tab_loading": "rgb(117, 116, 118)"
    }
  }
}