
<!DOCTYPE html>
<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>Document</title>
<style>
* {
padding: 0;
margin: 0;
}
.client-a {
height: 100%;
min-width: 1000px;
width: 100%;
border: 1px solid aquamarine;
overflow: hidden; //外边距塌陷,给父元素添加overflow
}
.client-b {
border: 1px solid #f40;
width: calc(33.3% - 34px);
height: 100px;
margin: 10px 0;
margin-left: 16px;
float: left;
}
.client-b:nth-child(3n+1) {
margin-left: 32px;
}
.client-b:nth-child(3n) {
margin-right: 32px;
}
</style>
</head>
<body>
<div class="client-a">
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
<div class="client-b"></div>
</div>
</body>
<script>
</script>
</html>