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css div 布局排放问题

<div class="box">
  <div class="item">1</div>
  <div class="item">2</div>
  <div class="item">3</div>
  <div class="item">4</div>
</div>
样式: 
 .box {
      height: 202px;
      width: 202px;
      border: 1px solid red;
    }
    .item {
      height: 100px;
      width:  100px;
    }

一个大div里有4个小的div, 想要让4个小div 纵向排列, 达到大的div高度时,能自动换行, 如何用CSS实现? 想要的效果: 成2列,每列2个div
image.png


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1 Answer

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by (71.8m points)

.box {
 height: 202px;
 width: 202px;
 min-height: 202px;
 border: 1px solid red;
 display: flex;
 flex-flow: column wrap;
}
.item {
 height: 100px;
 width: 100px;
 background-color: aqua;
 box-sizing: border-box;
 border: 1px solid red;
}

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…
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