Examine source code of Tropical Garden

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Floral Garden",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.64)",
      "toolbar_text": "rgb(234, 103, 100)",
      "frame": "rgb(94, 155, 96)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.8)",
      "toolbar_field_text": "rgb(94, 155, 96)",
      "tab_line": "rgb(234, 103, 100)",
      "popup": "rgb(94, 155, 96)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgba(94, 155, 96, 0.5)",
      "icons_attention": "rgb(237, 156, 154)",
      "ntp_background": "rgb(94, 155, 96)",
      "popup_border": "rgb(237, 156, 154)",
      "tab_background_separator": "rgb(94, 155, 96)",
      "toolbar_bottom_separator": "rgb(94, 155, 96)",
      "toolbar_field_border": "rgb(94, 155, 96)",
      "toolbar_field_highlight": "rgb(94, 155, 96)",
      "toolbar_top_separator": "rgb(94, 155, 96)",
      "tab_loading": "rgb(234, 103, 100)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f12439df-03ed-4ca3-a67e-d4dfa41caf03}"
    }
  }
}