JSFiddle - React, Tailwind, and code Playground

by Shaxrillo

HTML

<div class="arrow-up"></div>

CSS

.arrow-up {
	width: 0; 
	height: 0; 
	border-left: 75px solid transparent;
	border-right: 75px solid transparent;
	
	border-bottom: 75px solid black;
}