Examine source code of Feren Concept

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Feren Concept",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-031-9570e8d1f7a5f835c92e764693337f43.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.75)",
      "toolbar_text": "rgb(105, 31, 158)",
      "frame": "rgb(139, 38, 211)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(112, 28, 227, 0)",
      "popup": "rgb(195, 136, 230)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(112, 28, 227, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5011cf4c-1fea-444f-b969-b2769191bba9}"
    }
  }
}