Examine source code of alienware spider

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "alienware spider",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(15, 243, 15)",
      "frame": "rgb(142, 182, 201)",
      "tab_background_text": "rgb(23, 244, 55)",
      "toolbar_field": "rgba(243, 89, 12, 0.51)",
      "toolbar_field_text": "rgb(12, 241, 12)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(21, 236, 27)",
      "popup_text": "rgb(10, 10, 221)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}