Examine source code of Fizzlekun

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fizzlekun",
  "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": "rgb(236, 211, 0)",
      "frame": "rgb(255, 193, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(10, 10, 10)",
      "toolbar_field_text": "rgb(255, 222, 0)",
      "tab_line": "rgb(255, 222, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(222, 183, 19)",
      "ntp_background": "rgb(21, 21, 21)",
      "popup_border": "rgb(236, 211, 0)",
      "toolbar_field_border_focus": "rgb(255, 231, 36)",
      "toolbar_field_border": "rgb(136, 121, 0)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(214, 191, 0)",
      "tab_loading": "rgb(255, 222, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4bd48f07-9d96-4ac3-858f-8c21126af857}"
    }
  }
}