Examine source code of D1d4K

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Did4K",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(52, 235, 250)",
      "toolbar_text": "rgb(28, 17, 231)",
      "frame": "rgb(254, 33, 33)",
      "tab_background_text": "rgb(145, 240, 36)",
      "toolbar_field": "rgb(241, 247, 32)",
      "toolbar_field_text": "rgb(9, 18, 240)",
      "tab_line": "rgb(46, 190, 197)",
      "popup": "rgb(255, 159, 48)",
      "popup_text": "rgb(41, 50, 220)",
      "icons": "rgb(177, 1, 255)",
      "ntp_background": "rgb(67, 240, 43)",
      "sidebar_border": "rgb(27, 100, 254)",
      "sidebar_highlight_text": "rgb(248, 255, 0)",
      "sidebar_highlight": "rgb(252, 52, 230)",
      "sidebar_text": "rgb(42, 255, 2)",
      "tab_loading": "rgb(46, 190, 197)"
    }
  }
}