Examine source code of Gatito Kawaii

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gatito Kawaii",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(43, 206, 227, 0.35)",
      "toolbar_text": "rgb(238, 238, 238)",
      "frame": "rgb(71, 106, 172)",
      "tab_background_text": "rgb(41, 233, 223)",
      "toolbar_field": "rgba(255, 255, 255, 0.53)",
      "toolbar_field_text": "rgb(86, 71, 255)",
      "tab_line": "rgb(23, 217, 185)",
      "popup": "rgb(231, 242, 244)",
      "popup_text": "rgb(0, 0, 0)",
      "frame_inactive": "rgb(84, 123, 188)",
      "icons": "rgb(8, 82, 135)",
      "ntp_background": "rgba(2, 111, 185, 0.88)",
      "tab_loading": "rgb(23, 217, 185)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b473c00-a615-4337-8fea-ce814eba5b8b}"
    }
  }
}