<div class="row">
  <div class="col s12">
    <ul class="tabs">
      <li class="tab col s3"><a href="#test1">Test 1</a></li>
      <li class="tab col s3"><a class="active" href="#test2">Test 2</a></li>
      <li class="tab col s3"><a href="#test3">Test 3</a></li>
      <li class="tab col s3"><a href="#test4">Test 4</a></li>
    </ul>
  </div>
  <div id="test1" class="col s12">Test 1</div>
  <div id="test2" class="col s12">Test 2</div>
  <div id="test3" class="col s12">Test 3</div>
  <div id="test4" class="col s12">Test 4</div>
</div>
        #test2. Or you can add the class active to
          the a tag.
        <li class="tab col s2"><a class="active" href="#test3">Test 3</a></li>
 
               
               
               
               
               
               
               
               
               
              