<div class="container">
<div class="block"></div>
<div class="block"></div>
<div class="block"></div>
<div class="block"></div>
<div class="block"></div>
<div class="block"></div>
<div class="block"></div>
</div>
<style>
.container {
overflow: hidden;
background: green;
}
.block {
height: 100px;
background: red;
margin: calc(10% / 6);
width: 30%;
float: left;
}
</style>
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…