সিএসএস align-content

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
div {
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  height: 200px;
}

div div {
  width: 40%;
  padding: 10px;
}
</style>
</head>
<body>
<div>
  <div style="background-color:green;">সবুজ</div>
  <div style="background-color:brown;">বাদামী</div>
  <div style="background-color:yellow;">হলুদ</div>
  <div style="background-color:purple;">বেগুনি</div>
</div>
</body>
</html>