Examine source code of Electro Core

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Electro Core",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-044-2454b1459f8c4ee2e38d41030bf1580e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(89, 12, 139)",
      "toolbar_text": "rgb(143, 143, 143)",
      "frame": "rgb(18, 15, 86)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(20, 16, 153)",
      "toolbar_field_text": "rgb(28, 173, 187)",
      "tab_line": "rgb(35, 205, 179)",
      "popup": "rgb(96, 53, 170)",
      "popup_text": "rgb(174, 113, 35)",
      "icons": "rgb(40, 35, 215)",
      "tab_loading": "rgb(35, 205, 179)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d6e115a2-19a2-4379-b1dd-fad1c17406f7}"
    }
  }
}