how to change link in portfolio grid

Portfolio block in grid has a hover effect with a "plus" image that link the original image in colorbox.

I try to change this link and open product's page, but I don't find how to change this destination link.


I found it!

I change this row:

      <a href="<?php print $first_image;?>" rel="lightbox[<?php print $lightboxrel;?>]"><span class="fa fa-plus-square"></span></a>

with this:

<a href="<?php print $node_url;?>"><span class="fa fa-plus-square"></span></a>

in node--dexp_portfolio--dexp_portfolio.tpl.php


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