Examine source code of Draco

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Draco",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(28, 57, 28)",
      "toolbar_text": "rgb(126, 150, 123)",
      "frame": "rgb(30, 57, 31)",
      "tab_background_text": "rgb(141, 169, 140)",
      "toolbar_field": "rgb(38, 82, 41)",
      "toolbar_field_text": "rgb(122, 140, 122)",
      "tab_line": "rgb(33, 71, 36)",
      "popup": "rgb(124, 143, 122)",
      "popup_text": "rgb(7, 78, 8)",
      "tab_loading": "rgb(33, 71, 36)"
    }
  }
}