Examine source code of Winx - Stella

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Winx - Stella",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(241, 198, 43, 0.25)",
      "toolbar_text": "rgba(0, 0, 0, 0.85)",
      "frame": "rgb(241, 210, 102)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(255, 255, 255, 0.25)",
      "toolbar_field_text": "rgb(17, 16, 16)",
      "tab_line": "rgb(255, 199, 0)",
      "popup": "rgb(241, 210, 102)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(241, 210, 102)",
      "icons": "rgb(255, 199, 0)",
      "ntp_background": "rgba(247, 231, 169, 0.81)",
      "ntp_text": "rgb(16, 19, 15)",
      "tab_loading": "rgb(255, 199, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce245592-9aa5-4e97-b48f-299dd6d0da83}"
    }
  }
}