Examine source code of eerrie moss

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "dark moss",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(14, 52, 42)",
      "toolbar_text": "rgb(178, 211, 215)",
      "frame": "rgb(26, 44, 39)",
      "tab_background_text": "rgb(52, 151, 136)",
      "toolbar_field": "rgb(27, 68, 58)",
      "toolbar_field_text": "rgb(178, 211, 215)",
      "tab_line": "rgb(54, 86, 79)",
      "popup": "rgb(14, 52, 42)",
      "popup_text": "rgb(178, 211, 215)",
      "popup_border": "rgb(74, 138, 124)",
      "tab_text": "rgb(123, 199, 181)",
      "tab_loading": "rgb(54, 86, 79)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f7a12e2-7ff8-403c-8c77-6d3b4f56c763}"
    }
  }
}