JSFiddle - React, Tailwind, and code Playground

by Qwerty_Wasd

HTML

<div class="one"></div>
<div class="two"></div>

CSS

.one{width:200px;height:50px;background: red;}
.two{
	width: 0;
	height: 0;
	border-top: 50px solid red;	
	border-left: 200px solid transparent;	
}