Examine source code of Alien Soup - Light

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Alien Soup - Light",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(114, 121, 126)",
      "toolbar_text": "rgb(236, 254, 225)",
      "frame": "rgb(138, 145, 150)",
      "tab_background_text": "rgb(230, 253, 220)",
      "toolbar_field": "rgb(87, 91, 94)",
      "toolbar_field_text": "rgb(236, 254, 225)",
      "tab_line": "rgb(192, 252, 163)",
      "popup": "rgb(100, 112, 122)",
      "popup_text": "rgb(236, 254, 225)",
      "tab_loading": "rgb(192, 252, 163)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{65260f82-817e-428a-beb9-5e5c3ff8b581}"
    }
  }
}