Examine source code of Fall Time

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fall Time",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgba(198, 81, 47, 0.96)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(198, 81, 47, 0.21)",
      "toolbar_field_text": "rgb(251, 95, 49)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgba(198, 81, 47, 0.96)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(205, 109, 18, 0.31)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0ac9c81-e177-4c31-8369-24c0146da887}"
    }
  }
}