Идеята е да се премахне десният сайдбар (Content sidebar) на стандартната тема twentyfourteen  в WordPress.

1. прави се child , twentyfourteen-child
2. twentyfourteen-child/style.css

/*
Description: Child of theme by martin
Author: Martin Petrov
Version: 0.0.1
Template: twentyfourteen
*/

@import url('../twentyfourteen/style.css');

.hentry { max-width: 90%; }

.site-content .entry-header,
.site-content .entry-content,
.site-content .entry-summary,
.site-content .entry-meta,
.page-content {
max-width: 90%;
}

.post-navigation,
.image-navigation {
max-width: 90%;
}

.comments-area {
max-width: 400px;
margin-left: 20px;
margin-right: 20px;
}

3.  twentyfourteen-child/functions.php

<?php

// unregister sidebar to remove Right sidebar of Twenty Fourteen
function remove_right_sidebar(){ unregister_sidebar( 'sidebar-2' ); }

add_action( 'widgets_init', 'remove_right_sidebar', 11 );

?>