Examine source code of TiggerMP4

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "TiggerMP4",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(48, 48, 48)",
      "toolbar_text": "rgb(238, 238, 238)",
      "frame": "rgb(21, 21, 21)",
      "tab_background_text": "rgb(238, 238, 238)",
      "toolbar_field": "rgb(21, 21, 21)",
      "toolbar_field_text": "rgb(238, 238, 238)",
      "tab_line": "rgb(255, 155, 75)",
      "popup": "rgb(21, 21, 21)",
      "popup_text": "rgb(238, 238, 238)",
      "icons_attention": "rgb(255, 50, 118)",
      "ntp_background": "rgb(21, 21, 21)",
      "tab_loading": "rgb(255, 50, 118)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e74208c-7967-41ab-8af0-1a9c4969e294}"
    }
  }
}