JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <ul class="qwe">
<li> раз </li>
<li> два </li>
<li> три </li>
</ul>
</div>

CSS

div{
margin:30px;    
padding:5px;
border:1px solid #ccc;    
}

.qwe{
border-left:1px solid #222;
    
}

li{
display:inline-block;
padding:0px 5px;    
}