Examine source code of banana yellow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "banana yellow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 207, 0)",
      "toolbar_text": "rgb(174, 103, 0)",
      "frame": "rgb(255, 208, 4)",
      "tab_background_text": "rgb(255, 238, 48)",
      "toolbar_field": "rgb(255, 243, 94)",
      "toolbar_field_text": "rgb(136, 85, 0)",
      "tab_line": "rgb(255, 145, 0)",
      "popup": "rgb(245, 185, 0)",
      "popup_text": "rgb(79, 45, 0)",
      "button_background_active": "rgb(255, 200, 40)",
      "button_background_hover": "rgb(79, 59, 0)",
      "frame_inactive": "rgb(121, 255, 0)",
      "icons": "rgb(158, 117, 0)",
      "ntp_text": "rgb(255, 244, 136)",
      "tab_loading": "rgb(189, 148, 32)",
      "tab_text": "rgb(64, 58, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8584db39-d692-4fa6-be50-72a354f71afd}"
    }
  }
}