bootstrap02 col-

  <div class="container wg">
        <div class="row">
            <li class="col-md-3">1</li>
            <li class="col-md-3">1</li>
            <li class="col-md-3">1</li>
            <li class="col-md-3">1</li>
        </div>

    </div>

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The yellow color is my hand animation later, mainly to show the effect, don’t care too much