JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
</ul>

CSS

ul{
    list-style-type: none;
}

ul li{
    display: inline-block;
    position: relative;
    margin-right: 10px;
}

ul li:after {
    content:'';
    position: absolute;
    top: 10px;
    right: -10px;
	border-left: 3px solid transparent;
	border-right: 3px solid transparent;	
	border-top: 3px solid black;
}