Examine source code of Multi Flowers

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Multi Flowers",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(109, 94, 83)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(120, 106, 96)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(162, 162, 162)",
      "tab_line": "rgb(79, 93, 34)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(5, 6, 14)",
      "tab_text": "rgb(86, 43, 43)",
      "tab_loading": "rgb(79, 93, 34)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{09237b97-528a-4da4-b3ab-d7877c6e7f3b}"
    }
  }
}