Examine source code of Green - Yellow Space

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Green - Yellow Space",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(4, 19, 30, 0.45)",
      "toolbar_text": "rgba(252, 255, 218, 0.85)",
      "frame": "rgb(4, 19, 30)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(4, 19, 30)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(247, 255, 163)",
      "popup": "rgb(234, 247, 217)",
      "popup_text": "rgb(4, 19, 30)",
      "button_background_active": "rgba(247, 255, 163, 0.25)",
      "button_background_hover": "rgba(255, 255, 255, 0.25)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(4, 19, 30)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(4, 19, 30)",
      "tab_loading": "rgb(179, 50, 46)",
      "tab_selected": "rgba(247, 255, 163, 0.8)",
      "tab_text": "rgb(4, 19, 30)",
      "toolbar_bottom_separator": "rgb(0, 71, 46)",
      "toolbar_field_border": "rgb(0, 71, 46)",
      "toolbar_field_focus": "rgba(252, 255, 218, 0.85)",
      "toolbar_field_highlight": "rgba(0, 71, 46, 0.7)",
      "toolbar_field_text_focus": "rgb(0, 71, 46)",
      "toolbar_top_separator": "rgb(247, 255, 163)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f871170f-b170-41dd-98cc-e52720f934b1}"
    }
  }
}