JSFiddle - React, Tailwind, and code Playground
by s976
HTML
<div id='div1'>
dd
</div>
<div id='div2'>
</div>
CSS
#div1{
background-color: blue;
height: 200px;
position: absolute;
width: 200px;
z-index: 2;
clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
border-bottom: 5px solid #ccc;
}
#div2{
background-color: red;
height: 200px;
position: absolute;
width: 200px;
top: 50px;
}