flex wrap css
<style>
#datadiv {
width: 200px;
height: 200px;
border: 1px solid #c3c3c3;
display: flex;
flex-wrap: wrap;
}
#datadiv div {
width: 50px;
height: 50px;
}
</style>
</head>
<body>
<h1>The flex-wrap Property</h1>
<div id="datadiv">
<div style="background-color:red;">A</div>
<div style="background-color:green;">B</div>
<div style="background-color:yellow;">C</div>
<div style="background-color:blue;">D</div>
<div style="background-color:cyan;">E</div>
<div style="background-color:indigo;">F</div>
</div>