Examine source code of Party mood

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Party mood",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 118, 200)",
      "toolbar_text": "rgb(255, 184, 124)",
      "frame": "rgb(255, 238, 214)",
      "tab_background_text": "rgb(255, 0, 90)",
      "toolbar_field": "rgb(67, 159, 255)",
      "toolbar_field_text": "rgb(128, 255, 148)",
      "tab_line": "rgb(0, 255, 206)",
      "popup": "rgb(180, 255, 195)",
      "popup_text": "rgb(144, 52, 242)",
      "popup_border": "rgb(255, 3, 112)",
      "tab_selected": "rgb(255, 226, 121)",
      "tab_text": "rgb(144, 58, 255)",
      "tab_loading": "rgb(0, 255, 206)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26335341-30d8-4bb9-89fa-91505b414d38}"
    }
  }
}