chamilo-lms/main/template/default/layout/page_body.tpl

{* Actions *}
{if (!empty($actions)) }
    <div class="actions">
        {$actions}	
    </div>
{/if}

{* Page header*}
{if !empty($header) }
    <div class="page-header">
        <h1>{$header}</h1>
    </div>
{/if}

{* Show messages*}
{if !empty($message) }
    <section id="messages">
        {$message}
    </section>
{/if}