JSFiddle - React, Tailwind, and code Playground

by Mikey

HTML

<div class="angle"></div>

CSS

.angle:after {
    content: '.';
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: none;
    border-right: 10px solid white;
    position: relative;
    left: 5px;
}
.angle {
    font-size: 0px; line-height: 0%; width: 0px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: none;
    border-right: 10px solid #000;
}