console 命令行工具 X clear

console

<div class="img">
</div>

.img {
  background: url("https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=3479279003,3555739897&fm=26&gp=0.jpg");
  width: 250px;
  height: 250px;
  background-size: 100% 100%;
}