<!DOCTYPE html>
<html>
<head>
<style>
.flex-demo-container {
color: #fff;
display: flex;
flex-wrap: nowrap;
background-color: blue;
}
.flex-demo-container > div {
color: #fff;
background-color: maroon;
width: 100px;
margin: 10px;
text-align: center;
line-height: 75px;
font-size: 30px;
}
</style>
</head>
<body>
<h1>Flexible Boxes</h1>
<p>resize the browser to see effect.</p>
<div class="flex-demo-container">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>
</body>
</html>