page-about.php

<?php
/*
 * Template Name: My Custom Page
 * Description: - - -
 */


$opts = array(
  array(
    'key'    => 'post_content',
    'col'    => 1,
    'type'    => 'edit_post',
    'title'    => __( 'Edit Post Content', 'pagelines' ),
    'label'    =>  __( '<i class="pl-icon pl-icon-pencil"></i> Edit Post Info', 'pagelines' ),
    'help'    => __( 'This section uses WordPress posts. Edit post information using WordPress admin.', 'pagelines' ),
    'classes'  => 'btn-primary'
  ),
  );

pl_add_static_settings( $opts );


get_header(); ?>

<div  class="pl-content-area">
  <div class="pl-row">
    <div class="pl-col-sm-4">123</div>
    <div class="pl-col-sm-4">123</div>
    <div class="pl-col-sm-4">123</div>
  </div>
</div>

<?php get_footer(); ?>