JSFiddle - React, Tailwind, and code Playground

by luka kupunia

HTML

<div class="body">
  <div class="box-1">
    <div class="box"></div>
  </div>
  <div class="box-2">
    <div class="box"></div>
  </div>
</div>

CSS

body {
  margin: 0;
}
* {
  box-sizing: border-box;
}
div.body:after {
  content: '';
  display: table;
  clear: both;
}
div.box-1 {
  width: 60%;
  position: relative;
  float:left;
  background: purple;
  padding-top: 30%;
  animation: one 1s forwards;
  z-index: 2;
}
div.box-1 div.box {
  width: 300px;
  height: 50px;
  background: white;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(50%,-50%);
  z-index: 2;
}
div.box-2 {
  width: 40%;
  position: relative;
  float:left;
  background: brown;
  padding-top: 30%;
}
div.box-2 div.box {
  width: 300px;
  height: 50px;
  /* background: black; */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-120%,-50%);
}
@keyframes one {
  from {
    -webkit-clip-path: polygon(0 0, 0 0, 0 100%, 0% 100%);
    clip-path: polygon(0 0, 0 0, 0 100%, 0% 100%);
  }
  to {
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}