Examine source code of Ice Mountain Monte

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ice Mountain Monte",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(12, 100, 44)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(170, 227, 191)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(98, 168, 123)",
      "toolbar_field_text": "rgb(5, 19, 12)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(111, 200, 145)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dadeb0ee-d6dc-43e5-b3e4-5ca34e26dab2}"
    }
  }
}