Open design → theme editor → page template,
find this line and delete it:
<?php include(TEMPLATEPATH."/l_sidebar.php");?>
(alternatively you can delete right sidebar too)
find this in page template:
<div id="contentmiddle">
cut and paste this:
<div id="contentmiddle2">
save it.
open CSS stylesheet, find this:
#contentmiddle {float: left;width: 50%;margin: 10px 10px 0 10px;padding: 10px 10px 10px 10px;border-left:1px solid #E4E4E5;}
add this after it, but you have to style it, e.g. increase the width:
#contentmiddle2 {float: left;width: 50%;margin: 10px 10px 0 10px;padding: 10px 10px 10px 10px;border-left:1px solid #E4E4E5;}
when left sidebar is #l_sidebar {float: left;width: 20%;...
then you can increase the contentmiddle2 width by 19%
alternatively you can double the page template, download it, rename it to page2.php or similar, then upload it, add this to the new page 2 template at the very top BEFORE any
other content:
<?php
/*
Template Name: page2 Template
*/
?>
this way you have a second page template, which you can style differently and asign it by manage page → page template → page2 template from the dropdown
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