console 命令行工具 X clear

console

<div class="layer1">
  <div class="layer2">
   3333 
  </div>

</div>

.layer1{
  line-height: 40px;
  min-height: 40px;
  background: grey;
  display: flex;
  align-items: center;
}
.layer2{
  height: 10px;
  background: white
}