console 命令行工具 X clear

console

<div class="wrap">
  <div class="content">table居中</div>
</div>

.wrap {
  display:table;
  width:100%;
   position: absolute;
  top:50%;
   background-color: #ccc;
}
.content {
  display:table-cell;
  text-align: center;
  vertical-align: middle;
}