JSFiddle - React, Tailwind, and code Playground

HTML

<div class = "cont">
    <span class = "arrow">&#8658</span>
</div>

CSS

.cont{width:25px;
     cursor:pointer;
     border:solid 1px gray;
    height:12px;
    border-radius:10px;
    text-align:center;
}

.arrow{font-size:18px;}