DIVの高さ調整をCSSで実装する方法

<div class="div-row">
        <style type="text/css">
            .div-row {
                width: 400px;
                border: 1px solid #23527C;
                display: table;
            }
            .div-col {
                display: table-cell;
            }
        </style>
 
            <div class="div-col" style="background-color: #28A4C9;">
                <p><span>内容1</span></p>
            </div>
            <div class="div-col"  style="background-color: #31B0D5;">
                <p><span>内容1</span></p>
                <p><span>内容2</span></p>
            </div>
            <div class="div-col"  style="background-color: #269ABC;">
                <p><span>内容1</span></p>
                <p><span>内容2</span></p>
                <p><span>内容3</span></p>
            </div>
            <div  class="div-col" style="background-color: #5BC0DE;">
                <p><span>内容1</span></p>
                <p><span>内容2</span></p>
                <p><span>内容3</span></p>
                <p><span>内容4</span></p>
                <p><span>...</span></p>
            </div>
        </div>