Examine source code of Blue HI-TECH

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue HI-TECH",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(113, 87, 53, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(12, 13, 61)",
      "tab_background_text": "rgb(109, 208, 251)",
      "toolbar_field": "rgba(69, 41, 5, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgba(109, 208, 251, 0.83)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4b87f384-bca6-41c0-bf6d-4d6f2c6213e4}"
    }
  }
}