JSFiddle - React, Tailwind, and code Playground

HTML

<title>Градиенты</title>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css">
    
<div class="container">
    <img src="http://lorempixel.com/output/city-q-c-404-307-5.jpg">
    
</div>

CSS

body {
    backgrounnd: url(http://subtlepatterns.com/patterns/subtlenet2.png);
}

.container img {
    width: 400px;
    height: 300px;
    float: left;
    margin: 40px;
    background: #999;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    
    
    border-radius: 50px;
    box-shadow: 0 8px 15px rgba(0,0,0,.6);
    
}

.container::after {
    content: '';
    width: 400px;
    height: 300px;
    display: block;
    position: absolute;
}