If you want to have all pages have no sidebar,
1) go to mto->Main Templates->page.php
2) remove the code
HTML Code:
<div id="widgetarea-one" class="col4">
<?php dynamic_sidebar( 'Widget Area ONE' ); ?>
</div>
3) change the line
HTML Code:
<div id="content" class="col8">
to
HTML Code:
<div id="content" class="col12">
if you only want this to happen on one page
1) find the page ID (edit the page and look for the '/post.php?post=nnn' where
nnn is the page ID
2) go to mto->Main Templates->Add main template
3) name the template 'page-nnn' where you use the page ID in place of the
nnn
4) in the 'Make new template a copy of:' select 'page.php' and press the '+ ADD Main Template' button
5) remove the code
HTML Code:
<div id="widgetarea-one" class="col4">
<?php dynamic_sidebar( 'Widget Area ONE' ); ?>
</div>
6) change the line
HTML Code:
<div id="content" class="col8">
to
HTML Code:
<div id="content" class="col12">