Examine source code of zaske

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "zaske",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top",
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.5)",
      "toolbar_text": "rgb(243, 247, 247)",
      "frame": "rgb(0, 255, 255)",
      "tab_background_text": "rgb(117, 124, 124)",
      "toolbar_field": "rgba(3, 3, 3, 0.61)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(7, 247, 247)",
      "popup": "rgba(0, 0, 0, 0.81)",
      "popup_text": "rgba(193, 207, 207, 0.9)",
      "tab_loading": "rgb(7, 247, 247)"
    }
  }
}