JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->

<div class="col-md-12">
  <div class="post--small mb-4">
    <img src="https://picsum.photos/seed/picsum/200/300" alt="" class="post__img img-fluid mr-2">
    <div class="post__body">
      <a class="post__title post__title--small text-capitalize mb-3 text-white">Ahmedabad Investor CampFinal Disscusion</a>
      <p class="post__date post__date--small text-uppercase">29 may 2019</p>
    </div>
  </div>
</div>

CSS

.post__title,
.post:link,
.post:visited {
  display: block;
  
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  cursor: pointer;
}

 .post__img {
   position: absolute;
   cursor: pointer;
   
   width: 100%;
   height: 100%;
   
   pointer-events: all;
}

 .post__img:hover ~ .post__body{
  opacity: 1 !important;
}

.post__body{
  position: relative;
  display: block;
  
  top: 0px;
  left: 0px;
  
  height: 100%;
  width: 119px;
  
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  
  pointer-events: none;
}

 .post__date {
   font-size: 12px;
   font-weight: 400;
   color: white;
}

 .post--small {
   display: flex;
}

 .post--small .post__img {
   width: 119px;
}