Examine source code of Gamers rulz

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gamers rulz",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(253, 2, 30)",
      "toolbar_text": "rgb(242, 239, 247)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(253, 245, 249)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(246, 244, 250)",
      "tab_line": "rgb(19, 2, 254)",
      "popup": "rgb(250, 197, 220)",
      "popup_text": "rgb(250, 5, 114)",
      "tab_loading": "rgb(19, 2, 254)"
    }
  }
}