her with a div element as shown below-->
      <div id="experiment-article-sections">

        <!-- First section of the article-->
        <section id="experiment-article-section-1">
          
          <div class="icon" id="experiment-article-section-1-icon">
	    <!-- Enclose the icon image of your lab -->
	    <img src="../images/introduction.jpg"/>
	  </div>	
          
          <!-- The heading for the section can be enclosed in a 
          div tag. -->
          <div class="heading" id="experiment