title: Oracle APEX hide the x on the modal dialog
body: <p>I tried to hide the <code>x</code> on the upper right-hand corner of my modal dialog window using both css and JQuery but nothing owrks. I tries using dynamic action on page load:</p>
  
  <pre><code>$("button.ui-button.ui-corner-all.ui-widget.ui-button-icon-only.ui-dialog-titlebar-close").hide();
  </code></pre>
  
  <p>and to use css:</p>
  
  <pre><code>button.ui-button.ui-widget.ui-state-default.ui-corner-all.ui-button-icon-only.ui-dialog-titlebar-close
  {
      visibility: hidden !important;
  }
  </code></pre>
  
  <p>for my inline css but neither worked, the x still shows up</p>