Examine source code of Esoptron's Mirrors

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mirrors",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(158, 216, 236, 0.44)",
      "toolbar_text": "rgb(12, 12, 13)",
      "frame": "rgb(149, 225, 245)",
      "tab_background_text": "rgb(176, 192, 193)",
      "toolbar_field": "rgba(185, 252, 255, 0.47)",
      "toolbar_field_text": "rgb(13, 1, 6)",
      "tab_line": "rgba(253, 120, 153, 0.63)",
      "popup": "rgba(158, 226, 241, 0.42)",
      "popup_text": "rgb(100, 3, 42)",
      "frame_inactive": "rgb(248, 98, 136)",
      "tab_loading": "rgba(253, 120, 153, 0.63)"
    }
  }
}