console 命令行工具 X clear

console

<div>
  <div></div>
  <span>第一个</span>  
</div>
  <div>
    <div></div>
    <span>第二个</span>    
  </div>
<div>
  <div></div>
<span>第三个</span>
</div>

div div{
  background-color:black;
  border:1px white;
  height:100px;
  width:100px;
  margin-left:20px;
  text-align:center;
}
div{
    display:inline-grid;
    text-align:center;
}
div