Examine source code of BHABL2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "BHABL2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(115, 178, 213, 0.41)",
      "toolbar_text": "rgb(245, 235, 237)",
      "frame": "rgb(25, 103, 112)",
      "tab_background_text": "rgb(245, 235, 237)",
      "toolbar_field": "rgb(245, 235, 237)",
      "toolbar_field_text": "rgb(149, 91, 173)",
      "tab_line": "rgb(149, 91, 173)",
      "popup": "rgb(225, 234, 239)",
      "popup_text": "rgb(25, 103, 112)",
      "tab_loading": "rgb(149, 91, 173)"
    }
  }
}