CodePen Embed - Create the newsfeed: Step01

<div class="container">
   <ul class="feed">
     <li><div class="card">Card 1</div></li>
     <li><div class="card">Card 2</div></li>
     <li><div class="card">Card 3</div></li>
     <li><div class="card">Card 4</div></li>
     <li><div class="card">Card 5</div></li>
     <li class="nested">
       <ul>
         <li><div class="card">Card A</div></li>
         <li><div class="card">Card B</div></li>
         <li><div class="card">Card C</div></li>
       </ul>
     </li>
     <li><div class="card">Card 6</div></li>
     <li><div class="card">Card 7</div></li>
     <li><div class="card">Card 8</div></li>
     <li><div class="card">Card 9</div></li>
     <li><div class="card">Card 10</div></li>
   </ul>
</div>

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