Examine source code of MAPs Pride

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "MAPs Pride",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(145, 226, 211)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(96, 169, 210)",
      "popup": "rgb(254, 207, 218)",
      "popup_text": "rgb(131, 72, 86)",
      "tab_loading": "rgb(96, 169, 210)"
    }
  }
}