Examine source code of Tabs Camouflage

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Tabs Camouflage",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(30, 50, 45, 0.5)",
      "toolbar_text": "rgb(150, 150, 150)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(140, 140, 140)",
      "toolbar_field": "rgba(125, 125, 125, 0.3)",
      "toolbar_field_text": "rgba(200, 200, 200, 0.5)",
      "tab_line": "rgba(35, 205, 185, 0.7)",
      "popup": "rgba(27, 40, 45, 0.9)",
      "popup_text": "rgb(140, 140, 140)",
      "button_background_hover": "rgba(50, 50, 50, 0.5)",
      "icons": "rgba(230, 230, 230, 0.5)",
      "tab_selected": "rgba(70, 70, 70, 0.5)",
      "tab_text": "rgba(160, 220, 220, 0.6)",
      "tab_loading": "rgba(35, 205, 185, 0.7)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4bedd72e-9463-4d98-bf33-bdcca4eda68d}"
    }
  }
}