<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title></title>
<style>
.box {
width: 200px;
height: 150px;
background-color: black;
display: flex;
flex-flow: row wrap;
align-content: flex-start;
}
.point {
box-sizing: border-box;
background-color: white;
flex: 0 0 25%;
height: 50px;
border: 1px solid red;
}
</style>
</head>
<body>
<div class="box">
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
<div class="point"></div>
</div>
</body>
</html>