<h3>模拟table表格</h3>
<div class="container">
  <div class="center">我想居中</div>
</div>
.container {
  width: 200px;
  height: 200px;
  background-color: #e1e1e1;
  display: table;
  padding: 50px;
}

.center {
  display: table-cell;
  background-color: pink;
  /* 设置文字水平垂直居中 */
  vertical-align: middle;
  text-align: center;
}

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