Examine source code of Bender eyes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Bender eyes",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(165, 165, 165, 0.86)",
      "toolbar_text": "rgb(255, 177, 0)",
      "frame": "rgb(210, 210, 210)",
      "tab_background_text": "rgb(123, 81, 0)",
      "toolbar_field": "rgba(102, 118, 225, 0.26)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(2, 111, 203)",
      "popup": "rgb(159, 159, 159)",
      "popup_text": "rgb(255, 177, 0)",
      "tab_loading": "rgb(2, 111, 203)"
    }
  }
}