Examine source code of Pink s2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pink s2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 0, 0, 0)",
      "toolbar_text": "rgb(255, 0, 176)",
      "frame": "rgb(255, 0, 176)",
      "tab_background_text": "rgb(255, 0, 176)",
      "toolbar_field": "rgba(111, 0, 156, 0.73)",
      "toolbar_field_text": "rgb(255, 0, 176)",
      "tab_line": "rgb(255, 0, 176)",
      "popup": "rgb(111, 0, 156)",
      "popup_text": "rgb(255, 0, 176)",
      "tab_loading": "rgb(255, 0, 176)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef4c8e75-d637-4184-b631-1a3dccb74e12}"
    }
  }
}