Label Bootstrap Buttons

Tell us what’s happening:

Your code so far

<div class="container-fluid">
  <h3 class="text-primary text-center">jQuery Playground</h3>
  <div class="row">
    <div class="col-xs-6">
      <h4>#left-well</h4>
      <div class="well" id="left-well">
        <h4>target1</h4>
        <button class="btn btn-default target" id="target1"></button>
        <h4>target2</h4>
        <button class="btn btn-default target" id="target2"></button>
        <h4>#target3</h4>
        <button class="btn btn-default target" id="target3"></button>
      </div>
    </div>
    <div class="col-xs-6">
      <h4>#right-well</h4>
      <div class="well" id="right-well">
<h4>#target4</h4>
        <button class="btn btn-default target" id="target4"></button>
        <h4>#target5</h4>
        <button class="btn btn-default target" id="target5"></button>
        <h4>#target6</h4>
        <button class="btn btn-default target" id="target6"></button>
      </div>
    </div>
  </div>
</div>

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/label-bootstrap-buttons

i solve it.
anyway thank you