<p:layout fullPage="true">
        <!-- TITRE -->
        <p:layoutUnit position="north" size="auto" resizable="true" closable="true"  >
            <ui:include src="titre.xhtml"></ui:include>
        </p:layoutUnit>
        <!-- CONTENT -->
        <p:layoutUnit position="center" size="25%" header="Options" >
                <ui:include src="titre.xhtml"></ui:include>
        </ui:include>
    <p:layout fullPage="true">

<p:layoutUnit position="north" style="background: red !important;" size="auto" resizable="true" closable="true"  >