Examine source code of Dark Prime

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Dark Prime",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(30, 33, 36)",
      "toolbar_field": "rgb(40, 46, 49)",
      "toolbar_field_text": "rgb(255, 203, 105)",
      "tab_line": "rgb(255, 203, 105)",
      "popup": "rgb(40, 46, 49)",
      "popup_text": "rgb(255, 203, 105)",
      "tab_loading": "rgb(255, 203, 105)",
      "bookmark_text": "rgb(255, 203, 105)",
      "frame": "rgb(40, 46, 49)",
      "tab_background_text": "rgb(255, 203, 105)"
    }
  }
}