Examine source code of Romance in Moonlight

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Romance in Moonlight",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(176, 168, 217, 0.1)",
      "toolbar_text": "rgb(217, 210, 254)",
      "frame": "rgb(33, 30, 57)",
      "tab_background_text": "rgb(214, 214, 214)",
      "toolbar_field": "rgba(33, 30, 57, 0.22)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(189, 175, 255)",
      "popup": "rgb(33, 30, 57)",
      "popup_text": "rgb(222, 215, 255)",
      "tab_loading": "rgb(189, 175, 255)"
    }
  }
}