<!doctype html>
<head>
    <style>
        .flex { display: flex }
        img {  max-width:100%; }
        body, html { height:100% }
        html { overflow:hidden }
        div { width:20.4% }
        </style>
</head>
<body>
    <div>
    <img src="resources/blue-1500-2000-px.png">
   </div>