Examine source code of pBK Blue Wave

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "pBK Blue Wave",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(83, 186, 186, 0.57)",
      "toolbar_text": "rgb(39, 26, 15)",
      "frame": "rgb(123, 140, 220)",
      "tab_background_text": "rgb(16, 19, 19)",
      "toolbar_field": "rgba(255, 255, 255, 0.71)",
      "toolbar_field_text": "rgb(95, 80, 69)",
      "tab_line": "rgb(0, 68, 251)",
      "popup": "rgb(47, 65, 153)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(0, 68, 251)"
    }
  }
}