1.) Open “services.php” file located inside “inc/” folder and search for three (3) instances of this code:

four columns

And replace it with this one:

one-third column

2.) Now search for this line of code:

'posts_per_page' => 4

Replace it with this one:

'posts_per_page' => 3

3.) Next, search for this line of code:

if (++$postCount == 1) {

And replace it with this two lines of codes:

$postCount++;      
if ($postCount % 3 == 1) {

4.) And then, search for this line of code:

} elseif($postCount == 4) {

And replace it with this one:

} elseif($postCount % 3 == 0) {