JSFiddle - React, Tailwind, and code Playground

HTML

<div class="com_box">71</div>
      <div class="txt_First">
      Lorem Ipsum is simply dummy text of the printing and typesetting    industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
      </div>

CSS

.txt_First {
        font-size:0.8em;
        text-align: justify;
        padding-bottom:20px;
    }
    .com_box {
        width:60px;
        height: 50px;
        background: black;
        color:white;
        float:left;
        display: flex;
        justify-content: center; /* align horizontal */
        align-items: center; /* align vertical */
        margin-right:8px;
        margin-bottom: 5px;
        margin-top:1px;
    }

.com_box:after {
     content: '';
    position: absolute;
    left: 18px;
    top: 50px;
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid #000;
    clear: both;
  
}