title: Timeline Slider using HTML CSS Javascript
body: <p>I want to make a timeline slider but I am very confused as I am a newbie.</p>
  
  <p>Requirements:</p>
  
  <ol>
  <li><p>It must have 15 items.</p></li>
  <li><p>Two slider buttons(Left and right).</p></li>
  <li><p>Display five weeks at one time.</p></li>
  </ol>
  
  <p>How do I do this?</p>
  
  <p>I am able to make the list but I don't know how to hide elements except the ones I want to display. How do I give width to each element of the list.</p>