Examine source code of Smooth Light

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Smooth Light",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(56, 61, 63, 0.37)",
      "toolbar_text": "rgb(254, 254, 254)",
      "frame": "rgb(111, 121, 130)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(111, 121, 130)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(188, 193, 198)",
      "popup": "rgb(111, 121, 130)",
      "popup_text": "rgb(254, 254, 254)",
      "tab_loading": "rgb(188, 193, 198)"
    }
  }
}