Examine source code of Saar

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Saar",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0.26)",
      "toolbar_text": "rgb(244, 150, 50)",
      "frame": "rgb(75, 61, 148)",
      "tab_background_text": "rgb(253, 253, 250)",
      "toolbar_field": "rgba(220, 240, 255, 0.9)",
      "toolbar_field_text": "rgb(145, 30, 10)",
      "tab_line": "rgb(243, 151, 52)",
      "popup": "rgb(19, 5, 20)",
      "popup_text": "rgb(100, 110, 200)",
      "frame_inactive": "rgb(30, 60, 150)",
      "tab_loading": "rgb(243, 151, 52)"
    }
  }
}