Examine source code of Dark ISCD Theme

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Dark ISCD",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.3)",
      "toolbar_field": "rgba(65, 65, 65, 0.26)",
      "toolbar_field_text": "rgb(238, 238, 238)",
      "tab_line": "rgb(61, 75, 129)",
      "popup": "rgb(30, 36, 55)",
      "popup_text": "rgb(238, 238, 238)",
      "tab_loading": "rgb(61, 75, 129)",
      "bookmark_text": "rgb(238, 238, 238)",
      "frame": "rgb(114, 137, 218)",
      "tab_background_text": "rgb(127, 127, 127)"
    }
  }
}