<html lang="en">
  <head>
    <meta charset="utf-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">
<link href="style.css" rel="stylesheet"/>
  </head>
      <body>
        <div class="card">
            <div class="imgBx">
                <img src="https://wallpaperscraft.ru/image/gory_reka_derevya_izgiby_hvoynye_6386_300x400.jpg">
            </div>
            <div class="details">
                <h2>What is Lorem Ipsum?</h2>
                <p>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.</p>
            </div>
        </div>

      </body>
</html>
body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}
.card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 300px;
    height: 400px;
    background: #262626;
    overflow: hidden;
}
.card .imgBx,
.card .details {
    width: 100%;
    height: 100%;
    position: absolute;
    box-sizing: border-box;
    transition: .5s;
}
.card .imgBx {
    top: 0;
    left: 0;
}
.card:hover .imgBx {
    top: 0;
    left: -100%;
}
.card .imgBx img {
    width: 100%;
}
.card .details {
    background: #262626;
    top: 0;
    left: 100%;
    padding: 60px 30px;
}
.card:hover .details {
    top: 0;
    left: 0%;
}
.card .details h2 {
    color: #fff;
    text-align: center;
    margin: 0;
    padding: 0 0 10px;
    border-bottom: 2px solid #fff;

}
.card .details p {
    margin: 20px 0 0;
    color: #fff;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.