Examine source code of Linsoft-Black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Linsoft-Black",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(80, 119, 138, 0.26)",
      "toolbar_text": "rgb(103, 165, 88)",
      "frame": "rgb(11, 11, 11)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(251, 251, 251, 0)",
      "toolbar_field_text": "rgb(123, 204, 130)",
      "tab_line": "rgb(69, 75, 123)",
      "popup": "rgba(15, 15, 15, 0.57)",
      "popup_text": "rgb(123, 204, 130)",
      "tab_loading": "rgb(69, 75, 123)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{66d0b83f-6cda-4389-93f9-7274677fd134}"
    }
  }
}