title: How to add load more button for a HTML/CSS page?
body: <p>I want to make a single page website and it will have huge content. Suppose it has 1000 photos on it. I don't want people to wait 5 minutes to load my page. So I wanna add LOAD MORE button on the page bottom.</p>
  
  <p>How to do that with HTML/CSS/JS?</p>