Examine source code of blue tiles abstract

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "blue tiles abstract",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(29, 43, 232, 0)",
      "toolbar_text": "rgb(7, 233, 233)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(187, 100, 225)",
      "toolbar_field": "rgba(33, 33, 96, 0)",
      "toolbar_field_text": "rgb(6, 247, 227)",
      "tab_line": "rgb(248, 53, 8)",
      "popup": "rgb(6, 247, 227)",
      "popup_text": "rgb(115, 19, 206)",
      "tab_loading": "rgb(248, 53, 8)"
    }
  }
}