Not working correctly on Divi theme blog Grid

The posts are loaded at the last column only
Item selector: .et_pb_post
Content Selector: div.et_pb_blog_grid

There are 4 columns that contains posts the class of each column is .column size-1of4

the posts are wrapped on an <article class=”et_pb_post”>

<div class="et_pb_blog_grid clearfix et_pb_module et_pb_bg_layout_light  et_pb_blog_0" data-columns="4">
  <div class="column size-1of4">
    <article id="post-1112" class="et_pb_post clearfix et_pb_has_overlay post-1112 post 
    type-post status-publish format-standard has-post-thumbnail hentry category-tech">
    </article>
  </div><!--endcolumn-->
</div><!--endgrid-->