Examine source code of Forest bugs

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Forest bugs",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(215, 246, 255, 0.5)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(78, 140, 210)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(247, 255, 241)",
      "toolbar_field_text": "rgb(0, 80, 52)",
      "tab_line": "rgb(255, 137, 201)",
      "popup": "rgb(255, 240, 228)",
      "popup_text": "rgb(0, 72, 132)",
      "tab_loading": "rgb(255, 137, 201)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c31059e6-2eb7-4513-8d65-12d40ca09dc9}"
    }
  }
}