Examine source code of Vergil DMC

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Vergil DMC",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(100, 46, 22, 0.26)",
      "toolbar_text": "rgba(204, 248, 248, 0.84)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(200, 249, 243)",
      "toolbar_field": "rgba(180, 191, 189, 0.61)",
      "toolbar_field_text": "rgb(15, 0, 0)",
      "tab_line": "rgb(59, 204, 248)",
      "popup": "rgb(226, 247, 247)",
      "popup_text": "rgb(0, 35, 41)",
      "tab_loading": "rgb(59, 204, 248)"
    }
  }
}