Examine source code of Glass Triangles

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Glass Triangles",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(4, 14, 80, 0.73)",
      "toolbar_text": "rgb(200, 246, 255)",
      "frame": "rgb(249, 249, 249)",
      "tab_background_text": "rgb(0, 44, 124)",
      "toolbar_field": "rgba(76, 107, 148, 0.75)",
      "toolbar_field_text": "rgb(249, 249, 249)",
      "tab_line": "rgba(14, 73, 178, 0.75)",
      "popup": "rgba(238, 244, 255, 0.8)",
      "popup_text": "rgb(58, 82, 136)",
      "icons": "rgb(85, 169, 250)",
      "ntp_background": "rgb(14, 21, 126)",
      "ntp_text": "rgb(92, 198, 255)",
      "popup_border": "rgb(234, 248, 255)",
      "toolbar_bottom_separator": "rgba(14, 73, 178, 0.75)",
      "toolbar_field_highlight_text": "rgb(10, 5, 216)",
      "toolbar_field_highlight": "rgba(114, 150, 217, 0.61)",
      "tab_loading": "rgba(14, 73, 178, 0.75)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{61e87bab-bf7a-4e4f-bfe9-cc1a8ea0ac09}"
    }
  }
}