Removing the Portlet Borders Through out Portal From Theme Level , Liferay

To Remove the Portlet Borders from theme Level ,

You need to write a simple code in "liferay-look-and-feel.xml " file which is in ur "Theme/docroot/WEB-INF" folder

code :-
                 <theme id="Your-Theme-Id" name="Your Theme Name">
       <settings>
            <setting key="portlet-setup-show-borders-default" value="false" />
        </settings>
    </theme>