Examine source code of Abstract Blue II

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Abstract Blue II",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 8, 63, 0.63)",
      "toolbar_text": "rgb(185, 205, 236)",
      "frame": "rgb(0, 3, 76)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(231, 245, 254, 0.72)",
      "toolbar_field_text": "rgb(11, 2, 78)",
      "tab_line": "rgb(0, 3, 76)",
      "popup": "rgb(43, 84, 152)",
      "popup_text": "rgb(252, 254, 255)",
      "sidebar": "rgb(242, 248, 243)",
      "toolbar_field_separator": "rgb(242, 248, 243)",
      "tab_loading": "rgb(0, 3, 76)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0c2df418-efd5-4edb-8336-ccbb2e5ca955}"
    }
  }
}