Examine source code of Pink

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pink",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(251, 203, 251, 0.86)",
      "toolbar_text": "rgb(102, 102, 194)",
      "frame": "rgb(247, 212, 212)",
      "tab_background_text": "rgb(104, 104, 196)",
      "toolbar_field": "rgba(102, 118, 225, 0.26)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(102, 102, 194)",
      "popup": "rgb(245, 226, 226)",
      "popup_text": "rgb(104, 104, 196)",
      "tab_loading": "rgb(102, 102, 194)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6ebb362-2e1c-4f38-b204-62b17c5ea8ac}"
    }
  }
}