<div class="container">
    <div class="row">
        <h4>
            OLD
        </h4>
        <div id="div1" class="cols col-xs-6">
            <h2>
                Div 1
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

        <div id="div2" class="cols col-xs-6">
            <h2>
                Div 2
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

        <div id="div3" class="cols col-xs-6">
            <h2>
                Div 3
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

        <div id="div4" class="cols col-xs-6">
            <h2>
                Div 4
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

    </div>
</div>


<div class="sep">

</div>



<div class="container">
    <div class="row">
        <h4>
            NEW
        </h4>
        <div class="cols col-xs-6">
            <h2>
                Div 1
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

        <div class="cols  col-xs-6">
            <h2>
                Div 2
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>

        </div>

        <div class="cols  col-xs-6">
            <h2>
                Div 3
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
        </div>

        <div class="cols  col-xs-6">
            <h2>
                Div 4
            </h2>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>
            <div>
                Lorem Ipsum is simply dummy text of the printing and typesetting industry.
            </div>

        </div>

    </div>
</div>

.cols {
  border: 1px solid red;
}

.sep{
  border: 2px solid;
  margin: 20px 0;
}