Examine source code of Aesthetic Blue Abstract

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Abstact Blues",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(58, 89, 105, 0.17)",
      "toolbar_text": "rgb(38, 53, 62)",
      "frame": "rgb(157, 183, 190)",
      "tab_background_text": "rgb(55, 60, 90)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(16, 51, 75)",
      "tab_line": "rgb(60, 66, 113)",
      "popup": "rgb(241, 244, 247)",
      "popup_text": "rgb(22, 59, 85)",
      "tab_loading": "rgb(60, 66, 113)"
    }
  }
}