<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Flexbox</title>
</head>
<body>
<div class="container">
<div class="item">1</div>
<div class="item">2</div>
<div class="item" id="flex">3</div>
</div>
</body>
</html>
.container{
display: flex;
height: 70px;
border: 1px solid #808080;
}
.item {
border: 1px solid #1d1d1d;
background-color: #23C4ED;
width: 50px;
height: 50px;
margin: 7px;
}
#flex{
flex-grow: 3;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.