Examine source code of Hexagon Glowing Texture

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Hexagon Glowing Texture",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(25, 89, 156)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(8, 74, 144)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(27, 140, 157, 0.75)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(182, 23, 82)",
      "popup": "rgb(35, 114, 174)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(182, 23, 82)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{42b3998b-e244-4a1c-bf50-6945df04d358}"
    }
  }
}