Examine source code of Maroon Messi

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Maroon Messi2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(245, 236, 237, 0.8)",
      "toolbar_text": "rgb(28, 36, 67)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 247, 247, 0.98)",
      "toolbar_field_text": "rgba(173, 1, 48, 0.95)",
      "tab_line": "rgb(28, 249, 64)",
      "popup": "rgb(240, 254, 255)",
      "popup_text": "rgb(151, 156, 222)",
      "button_background_hover": "rgba(255, 6, 60, 0.46)",
      "icons": "rgba(82, 12, 25, 0.93)",
      "popup_highlight": "rgba(255, 6, 60, 0.46)",
      "tab_loading": "rgba(230, 0, 44, 0.97)",
      "tab_text": "rgba(14, 14, 14, 0.93)"
    }
  }
}