JSFiddle - React, Tailwind, and code Playground

HTML

<div class="col-md-4 news">
            <h3>News Feed</h3>
            <div class="block">
              <p class="date"><span>15</span>march</p>
              <p><a href="#">serving people from 23 branches all over the nepal</a></p>
              <div class="clearfix"></div>
            </div>
            <div class="block">
              <p class="date"><span>17</span>march</p>
              <p><a href="#">serving people from 23 branches all over the nepal</a></p>
              <div class="clearfix"></div>
            </div>
          </div>

CSS

.block:first-of-type {
    border:2px solid red;
}