Examine source code of Purple Wave

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Wave",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(30, 30, 58)",
      "toolbar_text": "rgb(86, 114, 142)",
      "frame": "rgb(25, 11, 88)",
      "tab_background_text": "rgb(74, 55, 149)",
      "toolbar_field": "rgb(18, 15, 35)",
      "toolbar_field_text": "rgb(89, 74, 202)",
      "tab_line": "rgb(188, 198, 24)",
      "popup": "rgb(25, 11, 88)",
      "popup_text": "rgb(89, 74, 202)",
      "tab_loading": "rgb(188, 198, 24)"
    }
  }
}