Toggle on Desktop and mobile

Hi There, We have installed the plugin and selected the toggle to open.

Is there anyway to close the toggle on mobiles to make it look nicer?

We added below code but somehow its not working

	//Table of contents
  window.onload=function(){
	  if (window.innerWidth < 600){
  document.getElementsByClassName("lwptoc_toggle_label a").click();
	  }
};

The page I need help with: [log in to see the link]