WordPress Provides us corr function for thickbox, we can’t need extra plugins or css for example : 1 2 3 4 5 6 7 8 <?php add_thickbox(); ?> <div id=“my-content-id” style=“display:none; height:300px; width:400px;”>      <p>           This is my hidden content! It will appear in ThickBox when the link is clicked.      </p> </div> <a href=“#TB_inline?inlineId=my-content-id” […]