Examine source code of Rinon Yellow Replicant

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rinon Yellow Replicant",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.3)",
      "toolbar_text": "rgb(255, 255, 0)",
      "frame": "rgb(128, 128, 128)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(255, 255, 113)",
      "popup_highlight": "rgb(89, 22, 135)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{80855a2c-b175-416b-b8b0-57fd520d6f0b}"
    }
  }
}