Examine source code of Dark Bluish Vibes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Bluish Vibes",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-008-60d2718f8c915b5ba09f31df5555b459.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(14, 14, 14)",
      "toolbar_text": "rgb(225, 225, 229)",
      "frame": "rgb(34, 85, 179)",
      "tab_background_text": "rgb(248, 248, 248)",
      "toolbar_field": "rgb(45, 45, 60)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(14, 14, 14)",
      "popup": "rgb(43, 91, 172)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(14, 14, 14)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e09a9785-311c-4dae-9ffd-57c6e188e79a}"
    }
  }
}