JSFiddle - React, Tailwind, and code Playground

by Liu ChangFeng

HTML

<div class="wrapper">
  <div class="box">
    测试内容
  </div>
</div>

SCSS

.wrapper {
  position: relative;
  width: 400px;
  height: 300px;
  background-color: lightgreen;
  .box {
    position: absolute;
    left: 50%;
    top: 50%;
    background-color: pink;
    margin-left: -50px;
    margin-top: -50px;
    width: 100px;
    height: 100px;
  }
}