Examine source code of dream cloud

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "dream cloud",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(222, 222, 222, 0.13)",
      "toolbar_text": "rgb(97, 97, 97)",
      "frame": "rgb(210, 210, 210)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(253, 246, 246, 0.43)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 41, 0)",
      "popup": "rgb(214, 214, 221)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(255, 41, 0)"
    }
  }
}