Examine source code of Sweet glace

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sweet glace",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(119, 0, 80, 0.1)",
      "toolbar_text": "rgb(28, 0, 255)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(142, 0, 210)",
      "toolbar_field": "rgba(255, 255, 255, 0.75)",
      "toolbar_field_text": "rgb(0, 176, 67)",
      "tab_line": "rgb(255, 239, 55)",
      "popup": "rgb(255, 232, 236)",
      "popup_text": "rgb(0, 132, 213)",
      "tab_loading": "rgb(255, 239, 55)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{95b863ff-df87-460e-b187-91d8a934f64c}"
    }
  }
}