Examine source code of Foxkeh Earth

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Foxkeh Earth",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(30, 28, 26)",
      "toolbar_text": "rgb(247, 255, 234)",
      "frame": "rgb(68, 62, 57)",
      "tab_background_text": "rgb(247, 255, 234)",
      "toolbar_field": "rgba(76, 79, 72, 0.7)",
      "toolbar_field_text": "rgb(247, 255, 234)",
      "tab_line": "rgb(170, 95, 35)",
      "popup": "rgb(30, 28, 26)",
      "popup_text": "rgb(247, 255, 234)",
      "ntp_background": "rgb(40, 40, 45)",
      "popup_border": "rgb(107, 111, 102)",
      "tab_selected": "rgb(27, 29, 27)",
      "toolbar_bottom_separator": "rgb(57, 63, 53)",
      "toolbar_field_border_focus": "rgb(107, 111, 102)",
      "toolbar_top_separator": "rgb(100, 83, 67)",
      "tab_loading": "rgb(170, 95, 35)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{af5f8625-cba9-4efe-baaa-53e63a572c05}"
    }
  }
}