JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
</head>
<body>

  <div class="works">
      <div class="works-example-wrapper">
          <div class="work-example">
              <a href="#" class="work-example-link">
                  <img src="http://limonos.ru/uploads/posts/2015-01/1422023415605s.jpeg" alt="" class="work-example-img">
              </a>
          </div>
          <div class="work-example">
              <a href="#" class="work-example-link">
                  <img src="https://2krota.ru/wp-content/uploads/2018/10/356798-sepik-1-768x512.jpg" alt="" class="work-example-img">
              </a>
          </div>
          <div class="work-example">
              <a href="#" class="work-example-link">
                  <img src="http://limonos.ru/uploads/posts/2015-01/1422023415605s.jpeg" alt="" class="work-example-img">
              </a>
          </div>
          <div class="work-example">
              <a href="#" class="work-example-link">
                  <img src="https://2krota.ru/wp-content/uploads/2018/10/356798-sepik-1-768x512.jpg" alt="" class="work-example-img">
              </a>
          </div>
      </div>
  </div>
  
</body>
</html>

CSS

.works-example-wrapper {
    display: flex;
    flex-wrap: wrap;
}

.work-example {
    flex: 0 0 100%;
}

@media (min-width: 576px) {
    .work-example {
        flex: 0 0 50%;
    }
}

@media (min-width: 768px) {
    .work-example {
        flex: 0 0 25%;
    }
}

.work-example-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.work-example {
    position: relative;
}

.work-example:hover {
    cursor: pointer;
}

.work-example::before {
    transition: all 1s ease;
}

.work-example:hover::before {
    content: '';
    text-align: center;
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('https://image.flaticon.com/icons/svg/159/159604.svg') no-repeat center center;
    background-color: #252525;
    background-size: 48px;
    opacity: 0.85;
}