Show / Hide Lookand Feel Icon on a Liferay portlet

The property 'portlet.css.enabled' must be added to the Portal-ext.properties file.

If made true,

portlet.css.enabled=true

# shows the 'Look and Feel' icon on the portlet titlebar. Enabling the user to edit it.This is default.

If made false,

portlet.css.enabled=false

# hides the 'Look and Feel' icon on the portlet titlebar . Disabling it can speed up the portal performance.