Examine source code of Icecream Sandwich

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Icecream Sandwich",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(146, 224, 221)",
      "toolbar_text": "rgb(101, 74, 74)",
      "frame": "rgb(230, 246, 244)",
      "tab_background_text": "rgb(140, 109, 109)",
      "toolbar_field": "rgb(230, 246, 244)",
      "toolbar_field_text": "rgb(124, 212, 209)",
      "tab_line": "rgb(101, 74, 74)",
      "popup": "rgb(230, 246, 244)",
      "popup_text": "rgb(124, 212, 209)",
      "tab_loading": "rgb(101, 74, 74)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3bbb49e-daf9-411b-be84-6a36da46803a}"
    }
  }
}